Santiago's Metro System to Become World's First to Be Powered Largely by Solar and Wind
The subway system in Chile’s capital will soon be the world's first to run largely on renewable energy sources.
The Metro de Santiago, the second-longest metro system in Latin America after Mexico City, has signed two agreements, one with a solar energy provider and another with a wind power company, which will provide 60 percent of metro's energy needs by 2018.
An announcement of the $500 million deal was made last week by Chilean President Michelle Bachelet during a visit to the National Stadium station that's currently under construction.
"More than two and a half million passengers use the Metro daily," she said. "[They] will not only be able to travel faster and safer; they will also be able to travel in a means of transport that cares for the planet, which reduces our carbon footprint and that makes possible a sustainable future for all."
California solar company SunPower, an affiliate of French oil company Total, will begin construction of the El Pelícano Solar Project, a 100-megawatt facility near the municipalities of La Higuera and Vallenar. The solar plant, expected to go live by the end of 2017, will supply 300 gigawatt hours per year of clean energy to Metro de Santiago, or 42 percent of its annual energy demands.
"SunPower is proud to serve Metro of Santiago's growing energy demand with cost-competitive, renewable solar power," Eduardo Medina, the executive vice president of SunPower's global power plants, said. "Solar is an ideal energy source for Chile because of the country's high solar resource and transparent energy policies. In partnership with Total, SunPower is committed to the continued growth of our business in Chile."
As for wind power, the metro will receive 18 percent of its energy needs from a 185-megawatt San Juan wind project developed by Spain-based Elecnor and owned by Brazilian renewable energy firm Latin America Power, according to Quartz.
Y con todo el power de las energías renovables no convencionales, te decimos que #TodalaRed está disponible. https://t.co/BcKuvH9vSo— Metro de Santiago (@Metro de Santiago)1464023353.0
Quartz noted that both solar and wind projects will start service in 2018 and supply the metro for the next 15 years. The metro will receive its remaining 40 percent of its energy needs from the Chilean electric distribution company Chilectra.
The Natural Resources Defense Council noted that the amount of energy generated by the wind and solar projects for the metro will be equivalent to the energy needs of 104,000 homes. Not only that, the impressive initiative is expected to mitigate 130,000 tons of CO2 emissions annually.
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Coast Guard members work to clean an oil spill impacting Delaware beaches. U.S. Coast Guard District 5
Environmental officials and members of the U.S. Coast Guard are racing to clean up a mysterious oil spill that has spread to 11 miles of Delaware coastline.
<p>When the spill was first discovered Monday, it covered only three-fourths of a mile along Broadkill Beach, <a href="https://eu.delmarvanow.com/story/news/2020/10/21/delaware-bay-oil-spill-affects-wider-area-day-three/6004537002/" target="_blank">Delaware Now reported</a>. However, the tides have extended the reach of the <a href="https://www.ecowatch.com/tag/oil" target="_self">oil</a> every day, spreading it along seven miles of Delaware Bay coastline by Tuesday and 11 by Wednesday.</p><p>"We are focused on cleanup operations and getting the oil off our beaches and out of our coastal communities as quickly as possible," Delaware Department of Natural Resources and Environmental Control (DNREC) Secretary Shawn Garvin said in a <a href="https://news.delaware.gov/2020/10/21/unified-command-incident-command-post-established-for-oil-cleanup-efforts-on-delaware-shore/" target="_blank">Wednesday press release</a>. "Expediency is key. We want to capture as much of the oil as we can before it disperses further and causes more environmental harm."</p>
<p>DNREC is working under unified command with the U.S. Coast Guard to clean the spill, which now extends from Fowler Beach, which borders the Prime Hook National Wildlife Refuge, to Cape Henlopen State Park. It was estimated initially that more than 215 gallons of oil had spilled, but the actual amount may be larger, <a href="https://philadelphia.cbslocal.com/2020/10/22/oil-spill-off-delaware-beach-appears-to-be-spreading/" rel="noopener noreferrer" target="_blank">CBS Philly reported</a>.</p>
<div id="d251e" class="rm-shortcode" data-rm-shortcode-id="7e03c3596cb3f2b3cf90bb8da0df1a82"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1318672504018317314" data-partner="rebelmouse"><div style="margin:1em 0">The oil line from the spill now extends approximately 11 miles from Fowler Beach bordering Prime Hook National Wild… https://t.co/c4TfENSvGw</div> — DNREC (@DNREC)<a href="https://twitter.com/YourDNREC/statuses/1318672504018317314">1603230999.0</a></blockquote></div>
<p>As of Tuesday, recovery efforts had removed around two tons of oily sand and debris, according to DNREC. There are currently more than 75 contractors, DNREC workers and Coast Guard members responding to the spill.</p>
<div id="2bfe2" class="rm-shortcode" data-rm-shortcode-id="96675d12f78afda6e8606f0fb7d1fe93"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1319010494993358849" data-partner="rebelmouse"><div style="margin:1em 0">Approximately two tons of oily sand and debris was removed from the affected areas as of 7 p.m., Tuesday. https://t.co/bdCxr8ZNda</div> — DNREC (@DNREC)<a href="https://twitter.com/YourDNREC/statuses/1319010494993358849">1603311582.0</a></blockquote></div>
<p>The oil has already impacted some <a href="https://www.ecowatch.com/tag/wildlife" target="_self">wildlife</a>. <a href="https://tristatebird.org/" target="_blank" rel="noopener noreferrer">Tri-State Bird Rescue and Research</a> had responded to reports of 24 seagulls covered in oil as of Wednesday.<br></p><p>The spill has mostly taken the form of oil patties that range in size from a quarter to a manhole cover, the <a href="https://content.govdelivery.com/accounts/USDHSCG/bulletins/2a6cad4?utm_source=twitter&utm_medium=twitter&utm_term=01335c08-da44-4982-a064-9551c1d7e263&utm_content=&utm_campaign=" rel="noopener noreferrer" target="_blank">Coast Guard said Tuesday</a>.</p><p>Cape Henlopen park watch volunteer Julie McCall got a first-hand view of the strange black blobs when she was conducting a bird count on Beach Plum Island Monday.</p><p>"On the way back, after the tide had gone out quite a bit, I started seeing these bigger patches, and I thought, 'That looks like oil,'" McCall <a href="https://whyy.org/articles/seven-mile-oil-spill-fouls-delaware-coastline/" rel="noopener noreferrer" target="_blank">told WHYY</a>. "Some were bigger than my foot."</p><p>The Coast Guard said it would use the blobs to try and determine the source of the spill.</p><p>"Working with our partners at DNREC and state agencies, we will continue to monitor the future potential to the Broadkill Beach area, continue cleanup operations and conduct an investigation to try and determine the source," Capt. Jonathan Theel, the commanding officer of Sector Delaware Bay, said in a press release.</p><p>However, officials think the oil is probably heavy fuel oil that leaked from a vessel, WHYY reported.</p><p>McCall said she was worried about how the oil would impact people and animals.</p><p>"It's very scary," she told WHYY. "Of course, we're always concerned about the marine animals, and any kind of toxic material in the water. I'm also concerned about <a href="https://www.ecowatch.com/tag/birds" target="_self">birds</a>, any kind of wildlife. A lot of people fish at Beach Plum Island and people walk their dogs and there are kids on the beach. So I'm concerned about exposure to people and animals."</p>
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What happened to all that plastic you've put in the recycling bin over the years? Halfpoint / Getty Images
By Dr. Kate Raynes-Goldie
Of all the plastic we've ever produced, only 9% has been recycled. So what happened to all that plastic you've put in the recycling bin over the years?
<p>Hands up if you grew up thinking that recycling plastic waste is key to saving the environment.</p><p>It turns out that for decades <a href="https://www.npr.org/2020/09/11/897692090/how-big-oil-misled-the-public-into-believing-plastic-would-be-recycled" target="_blank">the recyclability of plastics was grossly oversold</a> by the plastics industry.</p><p>The creation of this recycling "myth" is why, despite 30 years of being diligent recyclers, we have things like the <a href="https://www.nationalgeographic.org/encyclopedia/great-pacific-garbage-patch/" target="_blank">Great Pacific Garbage Patch</a>.</p><blockquote>In fact, we've only recycled 9% of <em>all</em> the plastics we've ever produced. And, our use of plastics is still increasing every year.</blockquote><p>The reality of the situation is that recycling plastics is actually really hard and expensive.</p>
Triangle of Mistruths
<p>The myth created around plastic recycling has been one of simplicity. We look for the familiar triangle arrows, then pop the waste in the recycling bin so it can be reused.</p><p>But the true purpose of those triangles has been misunderstood by the general public ever since their invention in the 1980s.</p><p>These triangles were actually created by the plastics industry and, according to a report provided to them in July 1993, <a href="https://www.npr.org/transcripts/912150085" target="_blank">were creating "unrealistic expectations"</a> about what could be recycled. But they decided to keep using the codes.</p><p>Which is why many people still believe that these triangular symbols (also known as a <a href="https://sustainablepackaging.org/101-resin-identification-codes/" target="_blank" rel="noopener noreferrer">resin identifier code</a> or RIC) means something is recyclable.</p><p>But according to the American Society for Testing and Materials International (ASTM) – which controls the RIC system – the numbered triangles "<a href="https://www.astm.org/Standards/D7611.htm" target="_blank" rel="noopener noreferrer">are not recycle codes</a>." In fact, they weren't created for the general public at all. They were made for the post-consumer plastic industry.</p><p>In other words, the symbols make it easier to sort the different types of plastics, some of which cannot be recycled – <a href="https://www.ecobin.com.au/understand-recycling-codes/" target="_blank" rel="noopener noreferrer">depending on the recycling facility</a>.</p><p>"Unfortunately, just placing your plastic into the recycling bin doesn't mean it will get recycled," says Lara Camilla Pinho. She is an architect and lecturer at the UWA School of Design who is researching novel uses of plastic waste.</p><p>"The recycling system is complicated and often dictated by market demand. Not all plastic is recyclable. We cannot recycle plastic bags or straws for example."</p>Behind the Scenes
<p>So, what makes recycling plastics so difficult?</p><p>"Essentially, there are two types of plastics – thermoplastics and thermosets. While thermoplastics can be re-melted and re-molded, thermosets contain cross-linked polymers that cannot be separated meaning they cannot be recycled," says Lara.</p><p>"Even thermoplastics have a limit to the amount of times we can recycle them, as each time they are recycled they downgrade in quality."</p><p>Even when plastics are recyclable, it is <a href="https://www.theguardian.com/environment/2019/oct/13/war-on-plastic-waste-faces-setback-as-cost-of-recycled-material-soars" target="_blank">often more costly</a> than simply making new plastics.</p>Sugar, Seaweed and Mushrooms
<p>If the conventional recycling system isn't working, what else can we do with all the plastic we've created?</p><p>Lara is looking for ways to add value to recycled plastics such as using it in the design and development of architectural products. She hopes to use these architectural products to help underserved communities that are disproportionately affected by plastic waste.</p><p>In addition to recycling, we also need to find ways to reduce our use of virgin petroleum-based plastics.</p><p>Bioplastic is one such product that has been getting a lot of hype over the last few years. And although they're better than petroleum-based plastics, bioplastics also come with their own <a href="https://phys.org/news/2017-12-truth-bioplastics.html" target="_blank">set of challenges</a>.</p><p>"There are already a lot of bio-based alternatives to plastic, such as bagasse – a byproduct of sugar cane processing," says Lara.</p><p><a href="https://blogs.scientificamerican.com/observations/the-mycelium-revolution-is-upon-us/" target="_blank" rel="noopener noreferrer">Mycelium</a>, a type of fungi we most often associate with mushrooms, are also providing an interesting plastic alternative.</p><p>"In the field of architecture, mycelium is starting to be used as an alternative to plastic insulation, but also as compostable packaging and bricks," says Lara.</p><p>"The bricks take around five days to make and are strong, durable, water resistant and compostable at the end of their use."</p><p><a href="https://www.arup.com/news-and-events/hyfi-reinvents-the-brick" target="_blank" rel="noopener noreferrer">Hy-Fi Tower</a>, created by <a href="http://www.thelivingnewyork.com/living_about.html" target="_blank" rel="noopener noreferrer">The Living</a>, is an example of a building made from these bricks.</p><p>And finally, there's seaweed.</p><p>"[Seaweed is] cheap and can reproduce itself quickly without fertilizers. In architecture, there is use for seaweed as an alternative to plastic insulation but also as cladding," says Lara.</p>More Money, More Problems
<p>While all these alternatives are great, the main cause of our plastic dilemma is not scientific or technological, but economic.</p><p>As long as it remains <a href="https://engineering.mit.edu/engage/ask-an-engineer/why-is-it-cheaper-to-make-new-plastic-bottles-than-to-recycle-old-ones/" target="_blank">cheaper to create new plastics</a> from fossil fuels rather than from bioplastics or from recycling, we're going to be stuck with plastic garbage islands floating in our oceans.</p><p>The true cost to our health and our environment has yet to be included in the equation. But once it is, maybe that is when the real shift will happen.</p>From Your Site Articles
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- The Recycling Dilemma: Good Plastic, Bad plastic? - EcoWatch ›
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Plain Naturals offers a wide variety of CBD products including oils, creams and gummies.
Plain Naturals is making waves in the CBD space with a new product line for retail customers looking for high potency CBD products at industry-low prices.
<p><a href="https://plainnaturals.com/" target="_blank" rel="noopener noreferrer nofollow">PlainNaturals.com</a> manufactures 95% of their products in the USA and has been offering wholesale CBD oil, CBD isolate and other hemp products to retailers since 2019 and has recently launched their own high-potency, low price product line via their website <a href="https://plainnaturals.com/" target="_blank" rel="nofollow noreferrer noopener">PlainNaturals.com</a>. </p><p>Plain Naturals has CBD oil tinctures in 3 strengths: 1000mg, 1500mg and 5000mg, all in a 30ml or 1 fluid ounce bottle. <a href="https://plainnaturals.com/shop/ols/categories/cbd-oils" target="_blank" rel="noopener noreferrer nofollow">5000mg tinctures</a> typically sell for $225 or more per bottle. Plain Naturals offers a 5000mg tincture for just $99.99. The rest of their prices are also very low by industry standard. </p><p>They attribute this to their "no frills" approach to packaging and distributing their product. Rather than spend what many sellers do on packaging (up to $20 per bottle), Plain Naturals packages their product for less than $5 per bottle. The same philosophy is applied to their other products like <a href="https://plainnaturals.com/shop/ols/categories/cbd--hemp-creams--lotions" target="_blank" rel="nofollow noreferrer noopener">CBD Creams</a> and CBD Gummies.</p>
Is More CBD Really Better?
<img lazy-loadable="true" src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDU2ODQyNC9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTYzMzYxMDMzN30.6B08i5QYW_Iq5bUf3qtm8oK8o6FKsRUZ74gdakgJ_TY/img.jpg?width=980" id="0ef5b" class="rm-shortcode" data-rm-shortcode-id="bac86abf3ce246742b18b0dc4052f4dd" data-rm-shortcode-name="rebelmouse-image" />Plain Naturals offers a 5000mg CBD oil tincture in 30ml bottle for $99.99.
<p>Consumers have gotten used to paying high prices for low amounts of cannabidiol. Plain Naturals is beginning to change that. There are myriad <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5569602/%23:~:text=Chronic%2520use%2520and%2520high%2520doses,be%2520well%2520tolerated%2520by%2520humans.&text=Nonetheless%252C%2520some%2520side%2520effects%2520have,vitro%2520or%2520in%2520animal%2520studies." target="_blank" rel="noopener noreferrer nofollow">studies</a> showing that low doses of CBD (less than 50mg per day) are ineffective for many users. And many clinical <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5569602/%23:~:text=Chronic%2520use%2520and%2520high%2520doses,be%2520well%2520tolerated%2520by%2520humans.&text=Nonetheless%252C%2520some%2520side%2520effects%2520have,vitro%2520or%2520in%2520animal%2520studies." target="_blank" rel="noopener noreferrer nofollow">studies</a> have shown effective dosages of 100 - 800mg per day to be effective for many conditions ranging from <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5569602/%23:~:text=Chronic%2520use%2520and%2520high%2520doses,be%2520well%2520tolerated%2520by%2520humans.&text=Nonetheless%252C%2520some%2520side%2520effects%2520have,vitro%2520or%2520in%2520animal%2520studies." target="_blank" rel="noopener noreferrer nofollow">anxiety and depression to Parkinson's disease and cancer</a>. And several <a href="https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5569602/%23:~:text=Chronic%2520use%2520and%2520high%2520doses,be%2520well%2520tolerated%2520by%2520humans.&text=Nonetheless%252C%2520some%2520side%2520effects%2520have,vitro%2520or%2520in%2520animal%2520studies." target="_blank" rel="noopener noreferrer nofollow">studies</a> published by the National Institutes of Health have shown up to 1500mg per day to be consistently "well-tolerated" by adults. </p><p>Now it is always recommended to begin with a lower dosage and increase until an effective dose has been reached. But the advantage of starting with a higher potency CBD oil is that it is much easier to use less to start with and increase over time than to buy very low dose CBD oil and ultimately end up buying more and more stronger products. To start at 50mg per dose of a 5000mg oil, you would simply use ⅓ dropper or about 10-12 drops.</p>The Truth About CBD Product Potency
<img lazy-loadable="true" src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDU2ODMyNC9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTYyNDc2NTg1N30.OAm3iOTO_pKZLXi7KdJ7n0DGOFMdOmIYuG4ArGooFC4/img.jpg?width=980" id="d657c" class="rm-shortcode" data-rm-shortcode-id="ee016a81b29caa699b9185b64ce345d6" data-rm-shortcode-name="rebelmouse-image" />CBD gummies from Plain Naturals are 100% vegan and sugar free.
<p>Unlike most CBD brands which can be much smoke and mirrors when it comes to stating their product quality, potency and consistency, PlainNaturals.com has <a href="https://plainnaturals.com/product-information" target="_blank" rel="noopener noreferrer nofollow">lab tests</a> conducted by FDA/DEA approved laboratories and publishes their product lab test <a href="https://plainnaturals.com/product-information" target="_blank" rel="nofollow noreferrer noopener">reports</a> right on their website so customers know the quality of the product they are buying. </p><p>In a recent <a href="https://crnusa.org/sites/default/files/RAC%2520attachments/CBD/CBD%2520RTC%2520Final.pdf" target="_blank" rel="noopener noreferrer nofollow">report</a> published by the Food and Drug Administration, FDA tested 147 cbd oils and cbd products. They found that of the 102 products that indicated a specific amount of CBD, 18 products (18%) contained less than 80% of the amount of CBD indicated; 46 products (45%) contained within 20% of the amount of CBD indicated; 38 products (37%) contained more than 120% of the amount of CBD indicated and of those 147 products, the FDA also found nearly half contained levels of THC above the limit of 3.1 mg per serving (or .3%). </p><p>So there's a 70% chance that a CBD consumer is not getting what they pay for and a 50% chance that the product they are buying may not be legal.</p><p>When you buy CBD oil online from <a href="https://plainnaturals.com/" target="_blank" rel="nofollow noreferrer noopener">PlainNaturals.com</a>, you also get an unconditional money back guarantee and the manufacturer's warranty of the product quality and potency.</p><img lazy-loadable="true" src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDU2ODMyNy9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTY1NjM0NDE0NX0.qIzczGtfutUMoBXBaEyPrTbuBp9dlvMMEM_XYDAoMv8/img.jpg?width=980" id="33a83" class="rm-shortcode" data-rm-shortcode-id="1aa7568d76a665696d24b45fa6c1f065" data-rm-shortcode-name="rebelmouse-image" />
CBD and Hemp Creams offer high-benefit, low-cost options to consumers.
<p>Plain Naturals has taken the uncertainty out of the online CBD store process. By offering detailed laboratory reports on all their products and offering a money back guarantee, PlainNaturals.com online CBD store puts control back in the hands of the consumer when it comes to making their decision about where to buy CBD online.</p><p>In all 50 states and at the federal level it is 100% legal to <a href="https://plainnaturals.com/shop/ols/categories/cbd-oils" target="_blank" rel="nofollow noreferrer noopener">buy CBD oil online</a> from an online CBD store provided that the product meets the standards set forth in federal regulations, containing not more than 0.3% THC and manufactured from industrial hemp.</p><p><a href="https://plainnaturals.com/" target="_blank" rel="noopener noreferrer nofollow">PlainNaturals.com</a> offers CBD (Cannabidiol) products like <a href="https://plainnaturals.com/shop/ols/categories/cbd-oils" target="_blank" rel="noopener noreferrer nofollow">CBD Oils</a>, <a href="https://plainnaturals.com/shop/ols/categories/cbd-gummies--edibles" target="_blank" rel="noopener noreferrer nofollow">CBD gummies and edibles</a>, <a href="https://plainnaturals.com/shop/ols/categories/cbd-isolate-powder" target="_blank" rel="noopener noreferrer nofollow">CBD isolate powder</a>, wholesale CBD, <a href="https://plainnaturals.com/shop/ols/categories/cbd--hemp-creams--lotions" target="_blank" rel="noopener noreferrer nofollow">CBD and hemp cream</a> and <a href="https://plainnaturals.com/shop/ols/categories/essential-oils--aromatherapy" target="_blank" rel="noopener noreferrer nofollow">essential oils</a>. <a href="https://plainnaturals.com/" target="_blank" rel="noopener noreferrer nofollow">PlainNaturals.com</a> continues to be a top supplier of wholesale CBD products to retailers and has also opened a retailer online portal for stores and CBD dealers to buy CBD in bulk.</p><p>EcoWatch readers can take advantage of a special offer from <a href="https://plainnaturals.com/" target="_blank" rel="noopener noreferrer nofollow">PlainNaturals.com</a> and save an additional 25% off any purchase of $99 or more through 10/31/20 with coupon code <strong>ecowatch25</strong>.</p>
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Donald Trump and Joe Biden arrive onstage for the final presidential debate at Belmont University in Nashville, Tennessee, on Oct. 22, 2020. JIM WATSON / AFP via Getty Images
Towards the end of the final presidential debate of the 2020 election season, the moderator asked both candidates how they would address both the climate crisis and job growth, leading to a nearly 12-minute discussion where Donald Trump did not acknowledge that the climate is changing and Joe Biden called the climate crisis an existential threat.
<p>In response to the question from moderator Kristen Welker, "How would you both combat climate change and support job growth?" Trump insisted that he loves the environment and wants clean air and water. He said that his administration has started to plant trees and there have been record drops in carbon emissions during his administration. </p><p>Trump then made a rambling remark about air pollution in India, China and Russia, before touting that he took the U.S. out of the <a href="https://www.ecowatch.com/tag/paris-agreement">Paris agreement</a>, giving a false version of what the Paris agreement requires of the U.S. and insisting that it would have sacrificed "tens of millions of jobs."</p>
<p><br></p><p>By contrast, Biden noted that the climate crisis and a warming planet are "an existential threat to humanity."</p><p>"We have a moral obligation to deal with it and we're told by all the leading scientists in the world we don't have much time," he said and then pointed out that scientists say we have 8 to 10 years to tackle the crisis before we pass the point of no return, as <a href="https://www.washingtonpost.com/politics/2020/10/22/climate-change-biden-trump-debate/" target="_blank">The Washington Post</a> reported.</p><p>He then went on to list infrastructure investments in charging stations to promote the use of electric cars, and retrofitting older buildings so they do not leak their heating and cooling. Biden said those upgrades will save millions of barrels of oil, help clean the environment and create more than 18 million jobs.</p>
<p><br></p><p>Trump, in his response, insisted that Congresswoman Alexandria Ocasio-Cortez and three other female Democratic lawmakers "know nothing about the climate." Trump then claimed the plan would cost $100 trillion, even though Biden's website says his plan will cost $2 trillion.</p>
<p>Biden turned his attention to the support he has received from both environmental groups and labor unions.</p><p>The moderator then asked Trump why people of color, who are disproportionately affected by pollution since their communities are often up against oil refineries and chemical plants, should give him four more years in office.</p><p>"The families that we're talking about are employed heavily and they're making more money than they've ever made," Trump replied. He then went on to claim that he saved the oil industry.</p><p>Biden replied by talking about the effect of living next to a fence line and how important it is to keep people safe by imposing restrictions on pollution.</p><p>Trump then stopped Welker from asking her final question and asked Biden if he would close down the oil industry. Biden insisted he would stop federal subsidies of <a href="https://www.ecowatch.com/tag/fossil-fuels">fossil fuels</a> and usher in a transition to <a href="http://www.ecowatch.com/renewable-energy/">renewable energy</a>.</p><p>"We have to move towards a net zero emissions," Biden said.</p>
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What will happen to all these batteries once they wear out? Ronny Hartmann / AFP / Getty Images
By Zheng Chen and Darren H. S. Tan
As concern mounts over the impacts of climate change, many experts are calling for greater use of electricity as a substitute for fossil fuels. Powered by advancements in battery technology, the number of plug-in hybrid and electric vehicles on U.S. roads is increasing. And utilities are generating a growing share of their power from renewable fuels, supported by large-scale battery storage systems.
<p>These trends, coupled with a growing volume of battery-powered phones, watches, laptops, wearable devices and other consumer technologies, leave us wondering: What will happen to all these batteries once they wear out?</p><p>Despite overwhelming enthusiasm for cheaper, more powerful and energy-dense batteries, manufacturers have paid comparatively little attention to making these essential devices more sustainable. In the U.S. only about 5% of lithium-ion batteries – the technology of choice for electric vehicles and many high-tech products – <a href="https://www.energy.gov/sites/prod/files/2019/07/f64/112306-battery-recycling-brochure-June-2019%202-web150.pdf" target="_blank">are actually recycled</a>. As sales of electric vehicles and tech gadgets continue to grow, it is unclear who should handle hazardous battery waste or how to do it.</p><p>As engineers who work on <a href="https://scholar.google.com/citations?user=pPgKUOEAAAAJ&hl=en" target="_blank" rel="noopener noreferrer">designing advanced materials</a>, including <a href="https://scholar.google.com/citations?user=dD8UWYEAAAAJ&hl=en" target="_blank" rel="noopener noreferrer">batteries</a>, we believe it is important to think about these issues now. Creating pathways for battery manufacturers to build sustainable production-to-recycling manufacturing processes that meet both consumer and environmental standards can reduce the likelihood of a battery waste crisis in the coming decade.</p>
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Hazardous Contents
<p>Batteries pose more complex recycling and disposal challenges than metals, plastics and paper products because they contain many chemical components that are both toxic and difficult to separate.</p><p>Some types of widely used batteries – notably, lead-acid batteries in gasoline-powered cars – have relatively simple chemistries and designs that make them straightforward to recycle. The common nonrechargeable alkaline or water-based batteries that power devices like flashlights and smoke alarms can be disposed directly in landfills.</p><p>However, today's lithium-ion batteries are highly sophisticated and not designed for recyclability. They contain hazardous chemicals, such as toxic lithium salts and <a href="https://www.britannica.com/science/transition-metal" target="_blank">transition metals</a>, that can damage the environment and leach into water sources. Used lithium batteries also contain embedded electrochemical energy – a small amount of charge left over after they can no longer power devices – which can cause fires or explosions, or <a href="https://www.epw.senate.gov/public/_cache/files/e/5/e5530917-434d-451c-8a6b-c5cdfad1b5ec/EED12407A6BF7DE6C86A4B39C25CF6A4.greenberger-testimony-07.17.2019.pdf" target="_blank" rel="noopener noreferrer">harm people that handle them</a>.</p><div id="007de" class="rm-shortcode" data-rm-shortcode-id="34d57a5a359e141bcf74c9b1f66eae5f"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1026491976722468865" data-partner="rebelmouse"><div style="margin:1em 0">The dangers of disposing of lithium batteries improperly - Battery blamed for Guernsey recycling site blaze https://t.co/Xcs76DI520</div> — Daniel Kinsbursky (@Daniel Kinsbursky)<a href="https://twitter.com/kbirecycling/statuses/1026491976722468865">1533569733.0</a></blockquote></div>
<p>Moreover, manufacturers have little economic incentive to modify existing protocols to incorporate recycling-friendly designs. Today it <a href="https://www.epw.senate.gov/public/_cache/files/e/5/e5530917-434d-451c-8a6b-c5cdfad1b5ec/EED12407A6BF7DE6C86A4B39C25CF6A4.greenberger-testimony-07.17.2019.pdf" target="_blank">costs more to recycle</a> a lithium-ion battery than the recoverable materials inside it are worth.</p><p>As a result, responsibility for handling battery waste frequently falls to third-party recyclers – companies that make money from collecting and processing recyclables. Often it is cheaper for them to store batteries than to treat and recycle them.</p><p>Recycling technologies that can break down batteries, such as <a href="https://www.britannica.com/technology/pyrometallurgy" target="_blank">pyrometallurgy</a>, or burning, and <a href="https://www.britannica.com/technology/hydrometallurgy" target="_blank" rel="noopener noreferrer">hydrometallurgy</a>, or acid leaching, are becoming <a href="https://doi.org/10.1007/s41918-018-0012-1" target="_blank" rel="noopener noreferrer">more efficient and economical</a>. But the lack of proper battery recycling infrastructure creates roadblocks along the entire supply chain.</p><p>For example, transporting used batteries over long distances to recycling centers would typically be done by truck. Lithium batteries must be packaged and shipped according to the U.S. Department of Transportation's <a href="https://www.ecfr.gov/cgi-bin/text-idx?SID=83659c6aca8187cdb60b38763b2ffbb8&node=se49.2.173_1185&rgn=div8" target="_blank" rel="noopener noreferrer">Class 9 hazardous material regulations</a>. Using a <a href="https://www.anl.gov/egs/everbatt" target="_blank" rel="noopener noreferrer">model developed by Argonne National Laboratory</a>, we estimate that this requirement increases transport costs to more than 50 times that of regular cargo.</p>
Safer and Simpler
<p>While it will be challenging to bake recyclability into the existing manufacturing of conventional lithium-ion batteries, it is vital to develop sustainable practices for solid-state batteries, which are a next-generation technology expected to enter the market within this decade.</p><p>A solid-state battery replaces the flammable organic liquid electrolyte in lithium-ion batteries with a nonflammable inorganic solid electrolyte. This allows the battery to operate over a much wider temperature range and dramatically reduces the risk of fires or explosions. Our <a href="http://zhengchen.eng.ucsd.edu/" target="_blank">team of nanoengineers</a> is working to incorporate ease of recyclability into next-generation solid-state battery development before these batteries enter the market.</p><p>Conceptually, recycling-friendly batteries must be safe to handle and transport, simple to dismantle, cost-effective to manufacture and minimally harmful to the environment. After analyzing the options, we've chosen a combination of specific chemistries in next-generation all-solid-state batteries that <a href="https://doi.org/10.1557/mre.2020.25" target="_blank" rel="noopener noreferrer">meets these requirements</a>.</p><p>Our design strategy reduces the number of steps required to dismantle the battery, and avoids using combustion or harmful chemicals such as acids or toxic organic solvents. Instead, it employs only safe, low-cost materials such as alcohol and water-based recycling techniques. This approach is scalable and environmentally friendly. It dramatically simplifies conventional battery recycling processes and makes it safe to disassemble and handle the materials.</p><img lazy-loadable="true" src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDU2NjkxOC9vcmlnaW4ucG5nIiwiZXhwaXJlc19hdCI6MTY1NDM3MjcyOX0.wyUKJaMauaSnDy5y2wkBWaI26DowukyA4vAk9MOLrI4/img.png?width=980" id="d54f2" class="rm-shortcode" data-rm-shortcode-id="f8a929e3797557d44277a9a62e6d715f" data-rm-shortcode-name="rebelmouse-image" />
A proposed procedure for recycling solid-state battery packs directly and harvesting their materials for reuse. Tan et al., 2020, CC BY
<p>Compared to recycling lithium-ion batteries, recycling solid-state batteries is intrinsically safer since they're made entirely of nonflammable components. Moreover, in our proposed design the entire battery can be recycled directly without separating it into individual components. This feature dramatically reduces the complexity and cost of recycling them.</p><p>Our design is a proof-of-concept technology developed at the laboratory scale. It is ultimately up to private companies and public institutions, such as national laboratories or state-run waste facilities, to apply these recycling principles on an industrial scale.</p>
Rules for Battery Recycling
<p>Developing an easy-to-recycle battery is just one step. Many challenges associated with battery recycling stem from the complex logistics of handling them. Creating facilities, regulations and practices for collecting batteries is just as important as developing better recycling technologies. China, South Korea and the European Union are <a href="https://www.epw.senate.gov/public/_cache/files/d/c/dc43cdc9-ef56-4f8c-b442-d325aa8acf72/D775B276380B37ABF9A49BFD581DD1A5.sanders-testimony-07.17.2019.pdf" target="_blank">already developing battery recycling systems and mandates</a>.</p><p>One useful step would be for governments to require that batteries carry universal tags, similar to the internationally recognized standard labels used for plastics and metals recycling. These could help to educate consumers and waste collectors about how to handle different types of used batteries.</p><p>Markings could take the form of an electronic tag printed on battery labels with embedded information, such as chemistry type, age and manufacturer. Making this data readily available would facilitate automated sorting of large volumes of batteries at waste facilities.</p><p>It is also vital to improve international enforcement of recycling policies. Most battery waste is not generated where the batteries were originally produced, which makes it hard to hold manufacturers responsible for handling it.</p><p>Such an undertaking would require manufacturers and regulatory agencies to work together on newer recycling-friendly designs and better collection infrastructure. By confronting these challenges now, we believe it is possible to avoid or reduce the harmful effects of battery waste in the future.</p>
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