By Jan Minx, Dr. Sabine Fuss and Gregory Nemet
Despite the ambitious long-term climate goals of the Paris agreement, there remains a distinct lack of success at ushering in immediate and sustained reductions in global CO2 emissions.
This cognitive dissonance has seen the topic of "negative emissions"—also known as "carbon dioxide removal"—move into the limelight in climate science and policy discussions.
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Researchers in Louisiana have found carbon from the BP Deepwater Horizon oil spill in the feathers and digestive tracts of seaside sparrows, proving for the first time that oil from the disastrous 2010 spill has entered the food chain.
Seaside sparrows show signs of BP Deepwater Horizon oil.
The study, published today in Environmental Research Letters, was conducted by scientists from Louisiana State University and Austin Peay State University in Tennessee. They found oil carbon signatures consistent with the Deepwater Horizon event in each of 10 birds tested.
These marsh-dwelling sparrows inhabit an area known to have been contaminated by the spill. Sediments from the site also tested positive for oil with the same fingerprints as that found in the tested birds.
What You Need to Know Six Years After BP's Gulf Oil Disaster https://t.co/ORPJRX9Ytp @Oceana @Waterkeeper @acousteau https://t.co/X1PshWXuC8— EcoWatch (@EcoWatch)1461161251.0
The Deepwater Horizon accident followed the blowout of the wellhead at the Macondo oil rig and lasted for 87 days. Eleven workers died and 4.9 million barrels of oil flowed into the Gulf of Mexico. It became the largest oil spill in U.S. history and was called the "worst environmental disaster the U.S. has faced" by White House Energy Adviser Carol Browner.
Oil sheens continued to be seen as much as three years after the event. The source of many were never discovered, but the containment dome failed and had to be plugged in 2012.
The immediate effects of such major spills are readily apparent. Oiled birds, dead fish and beaches covered in crude-oil sludge are often the first, horrific results. Disasters like Exxon Valdez, Deepwater Horizon and the Santa Barbara oil spill damage critical wildlife habitat and destroy fisheries.
Longer-term, the pernicious oil enters the food chain.
The first signs of Deepwater Horizon oil were found in blue crab larvae in 2010. Oil likely entered the food chain through zooplankton. A 2012 study found traces of oil in zooplankton impacted by the BP oil spill.
BP oil spill led to baby dolphin deaths and diseases along the Gulf Coast.Truth Wire
By November 2010, nearly 7,000 dead animals had been collected. They included more than 6,100 birds along with 69 sea turtles, 100 dolphins and other mammals. A 2016 Oceana report concluded that 600,000 to 800,000 birds had died from the spill in the six years since.
In 2014, Dr. Paul Montagna of Texas A&M University-Corpus Christi examined the deep-sea effects of the BP accident. He found severe impacts to life over nine square miles.
"The things that live on the bottom are very important for different reasons," Montagna explained. "They serve as food for higher trophic (food chain) levels, particularly for fish and other organisms that come and feed on the bottom sediments."
"Fish can consume phytoplankton poisoned by oil, fish eat fish and carry on the absorption of toxins, marine mammals and birds eat fish and could potentially carry on toxic properties to other predators," wrote wildlife biologist Jenna Bardroff in One Green Planet.
Seaside sparrows mostly eat insects, but also consume small crabs and the seeds of cordgrass and saltbush. The small birds can be prey to larger shore birds, snakes or mammals. In previous research, this same population of seaside sparrows was shown to have suffered reproduction problems in the years immediately following the oil spill.
There have been 11,700 reported oil spills in the Gulf of Mexico since Deepwater Horizon. Gulf oil producers lose one gallon of oil for every 20,000 they produce—and they produce 20 billion gallons of crude in the Gulf each year.
A drilling platform owned by Taylor Energy was damaged in 2004 by Hurricane Ivan and has been leaking oil ever since.
In May, Shell leaked 90,000 gallons of oil into the Gulf. The spill was reported by a helicopter pilot who was flying in the area. Monitoring the leak, SkyTruth called the concept of oil spill cleanup "nothing more than a convenient fantasy." They found that oil spill response vessels often arrive late and fail to fully recover the lost oil.
"Our government is indulging in a troubling fantasy that is eagerly abetted by the oil industry and pro-drilling politicians, dressing up deepwater offshore drilling as a safe operation so they can continue to rubber-stamp permit applications that contain laughable oil-spill response plans," SkyTruth concluded.
Like many other plant-based foods and products, CBD oil is one dietary supplement where "organic" labels are very important to consumers. However, there are little to no regulations within the hemp industry when it comes to deeming a product as organic, which makes it increasingly difficult for shoppers to find the best CBD oil products available on the market.
Spruce
<img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDY4NjI3OC9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTYyOTM2NzgzOX0.axY0HjeqRctJsR_KmDLctzDpUBLBN-oNIdqaXDb4caQ/img.jpg?width=980" id="774be" class="rm-shortcode" data-rm-shortcode-id="8379f35b1ca8a86d0e61b7d4bfc8b46e" data-rm-shortcode-name="rebelmouse-image" alt="spruce organic cbd oil" data-width="710" data-height="959" /><p>As one of the best brands in the business, Spruce CBD is well-known for its potent CBD oils that feature many additional beneficial phytocannabinoids. This brand works with two family-owned, sustainably focused farms in the USA (one located in Kentucky and one in North Carolina) to create its organic, small product batches. The max potency Spruce CBD oil contains 2400mg of full-spectrum CBD extract, but the brand also offers a lower strength tincture with 750mg of CBD in total.</p>CBDistillery
<img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDcwMjkzNC9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTYyMTU4OTM4Nn0.ypRdeDSBcE87slYrFfVrRwtJ2qGIK6FD5jBB4pndTMo/img.jpg?width=980" id="b473b" class="rm-shortcode" data-rm-shortcode-id="9930b53c9d58cb49774640a61c3e3e75" data-rm-shortcode-name="rebelmouse-image" alt="cbdistillery cbd oil" data-width="1244" data-height="1244" /><p>All of the products from CBDistillery are <a href="https://ushempauthority.org/" target="_blank" rel="noopener noreferrer">U.S. Hemp Authority Certified</a>, and for good reason. The company only uses non-GMO and pesticide-free industrial hemp that's grown organically on Colorado farms. Its hemp oils are some of the most affordable CBD products on the market, yet they still maintain a high standard of quality. CBDistillery has a wide variety of CBD potencies across its product line (ranging from 500mg to 5000mg per bottle) and offers both full-spectrum and broad-spectrum CBD oils to give customers a completely thc-free option.</p>FAB CBD
<img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDY4NjIyNS9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTY2NDIwOTEyMn0.MlTjz096FJ0ev_-soK7_Z-FeQeJczWoeh9Qi9SSkHsY/img.jpg?width=980" id="04b26" class="rm-shortcode" data-rm-shortcode-id="76aa4862f44603242e318982acea6646" data-rm-shortcode-name="rebelmouse-image" alt="fab cbd oil" data-width="800" data-height="800" /><p>For an organic CBD oil that has it all, FAB CBD offers plenty of variety for any type of consumer. All of its products are made with zero pesticides and extracted from organically grown Colorado industrial hemp. FAB CBD oil comes in five all-natural flavors (mint, vanilla, berry, citrus, and natural) and is also available in four strengths (300, 600, 1200, and 2400mg per bottle).</p>NuLeaf Naturals
<img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDY4NjIxOS9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTY1NzExNTgyMX0.D6qMGYllKTsVhEkQ-L_GzpDHVu60a-tJKcio7M1Ssmc/img.jpg?width=980" id="94e4a" class="rm-shortcode" data-rm-shortcode-id="3609a52479675730893a45a82a03c71d" data-rm-shortcode-name="rebelmouse-image" alt="nuleaf naturals organic cbd oil" data-width="600" data-height="600" /><p>As an industry-leading brand, it comes as no surprise that NuLeaf Naturals sources its CBD extract from organic hemp plants grown on licensed farms in Colorado. The comany's CBD oils only contain two ingredients: USDA certified organic hemp seed oil and full spectrum hemp extract.</p><p>NuLeaf Naturals uses one proprietary CBD oil formula for all of its products, so you will get the same CBD potency in each tincture (60mg per mL), but can purchase different bottle sizes depending on how much you intend to use.</p>Charlotte's Web
<img type="lazy-image" data-runner-src="https://assets.rebelmouse.io/eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpbWFnZSI6Imh0dHBzOi8vYXNzZXRzLnJibC5tcy8yNDcwMjk3NS9vcmlnaW4uanBnIiwiZXhwaXJlc19hdCI6MTY0MzQ0NjM4N30.SaQ85SK10-MWjN3PwHo2RqpiUBdjhD0IRnHKTqKaU7Q/img.jpg?width=980" id="84700" class="rm-shortcode" data-rm-shortcode-id="a2174067dcc0c4094be25b3472ce08c8" data-rm-shortcode-name="rebelmouse-image" alt="charlottes web cbd oil" data-width="1244" data-height="1244" /><p>Perhaps one of the most well-known brands in the CBD landscape, Charlotte's Web has been growing sustainable hemp plants for several years. The company is currently in the process of achieving official USDA Organic Certification, but it already practices organic and sustainable cultivation techniques to enhance the overall health of the soil and the hemp plants themselves, which creates some of the highest quality CBD extracts. Charlotte's Web offers CBD oils in a range of different concentration options, and some even come in a few flavor options such as chocolate mint, orange blossom, and lemon twist.</p>- Best CBD Oils of 2020: Reviews & Buying Guide - EcoWatch ›
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