15,000 Scientists From 184 Countries Warn Humanity of Environmental Catastrophe
More than 15,000 scientists have signed a chilling article titled “World Scientists' Warning to Humanity: A Second Notice," urging global leaders to save the planet from environmental catastrophe.
The plea, published Monday in the international journal BioScience, is likely the largest-ever formal support by scientists for a journal article with 15,372 total signatories, Motherboard noted. The scientists represent 184 countries and have a range of scientific backgrounds. Prominent signatories include Jane Goodall, E.O. Wilson and James Hansen.
The “Second Notice"—an update to the original version published 25 years ago by the Union of Concerned Scientists and signed by 1,700 scientists then—underscores the lack of progress from the original document.
The first notice started with this statement: “Human beings and the natural world are on a collision course." It described trends such as the growing hole in the ozone layer, pollution and depletion of freshwater sources, overfishing, deforestation, plummeting wildlife populations, as well as unsustainable rises in greenhouse gas emissions, global temperatures and human population levels.
Unfortunately, the authors of the current article said that humanity has failed to progress on most of the measures.
They ominously warned, “time is running out."
William J. Ripple, lead author of the current article and a distinguished professor of ecology at Oregon State University, told the Associated Press he was stunned by the level of support for the manuscript.
“I initially sent it out to 40 of my colleagues," he explained. “After 24 hours there were 600 scientists who signed it. Within two days, there were 1,200. There were so many people signing that our website crashed a couple of times."
According to the AP, the researchers document a number of alarming trends from 1992 to 2016, such as a 28.9 percent reduction of vertebrate wildlife, a 62.1 percent increase in CO2 emissions, a 167.6 percent rise in global average annual temperature change and a 35.5 percent increase in the global population (about 2 billion people).
One of the few positive trends over the past 25 years is the recovery of the ozone layer thanks to the 1987 Montreal Protocol, which sharply cut the use of chlorofluorocarbons. Reductions in extreme poverty and hunger, a slowdown in deforestation in some parts of the world, the rapid growth of the renewable energy sector and a sharp drop in birth rates in certain regions due to women and girls having greater access to education were also identified as positive trends, the AP reported.
The authors conclude that urgent measures are necessary to avoid disaster. They call upon everyday citizens to urge their leaders to “take immediate action as a moral imperative to current and future generations of human and other life."
Individual actions such as having fewer children and using fewer resources, from fossil fuels to meat, will also help avert global disaster.
“Humanity is now being given a second notice, as illustrated by these alarming trends," the scientists wrote. “We are jeopardizing our future by not reining in our intense but geographically and demographically uneven material consumption and by not perceiving continued rapid population growth as a primary driver behind many ecological and even societal threats."
A "trash tsunami" has washed ashore on the beaches of Honduras, endangering both wildlife and the local economy.
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More long-finned pilot whales were found stranded today on beaches in Tasmania, Australia. About 500 whales have become stranded, including at least 380 that have died, the AP reported. It is the largest mass stranding in Australia's recorded history.
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By Harry Kretchmer
By 2030, almost a third of all the energy consumed in the European Union must come from renewable sources, according to binding targets agreed in 2018. Sweden is helping lead the way.
Sweden is a world leader in renewable energy consumption. Swedish Institute/World Bank
Naturally Warm<p>54% of Sweden's power comes from renewables, and is helped by its geography. With plenty of moving water and 63% forest cover, it's no surprise the <a href="https://sweden.se/nature/energy-use-in-sweden/#" target="_blank">two largest renewable power sources</a> are hydropower and biomass. And that biomass is helping support a local energy boom.</p><p>Heating is a key use of energy in a cold country like Sweden. In recent decades, as fuel oil taxes have increased, the country's power companies have turned to renewables, like biomass, to fuel local 'district heating' plants.</p><p>In Sweden these trace their <a href="https://www.sciencedirect.com/science/article/pii/S0360544217304140#fig3" target="_blank">origins back to 1948</a>, when a power station's excess heat was first used to heat nearby buildings: steam is <a href="https://www.sciencedirect.com/topics/engineering/district-heating-system" target="_blank">forced along a network of pipes</a> to wherever it's needed. Today, there are around 500 district heating systems across the country, from major cities to small villages, providing heat to homes and businesses.</p><p>District heating used to be fueled mainly from the <a href="https://www.sciencedirect.com/science/article/pii/S0360544217304140" target="_blank">by-products of power plants</a>, waste-to-energy plants and industrial processes. These days, however, Sweden is bringing more renewable sources into the mix. And as a result of competition, this localized form of power is now the country's<a href="https://www.sciencedirect.com/science/article/pii/S0360544217304140#fig3" target="_blank" rel="noopener noreferrer"> home-heating market leader.</a></p>
Sweden is using smart grids to turn buildings into energy producers. Huang et al/Elsevier
Energy ‘Prosumers’<p>But Sweden doesn't stop at village-level heating solutions. Its new breed of energy-generation takes hyper-local to the next level.</p><p>One example is in the city of Ludivika where 1970s flats <a href="https://www.buildup.eu/sites/default/files/content/transforming-a-residential-building-cluster-into-electricity-prosumers-in-sweden.pdf" target="_blank">have recently been retrofitted with the latest smart energy technology</a>.</p><p>48 family apartments spread across 3 buildings have been given photovoltaic solar panels, thermal energy storage and heat pump systems. A micro energy grid connects it all, and helps charge electric cars overnight.</p><p>The result is a cluster of 'prosumer' buildings, producing rather than consuming enough power for 77% of residents' needs. With <a href="http://www.diva-portal.org/smash/get/diva2:1232060/FULLTEXT01.pdf" target="_blank" rel="noopener noreferrer">high levels of smart meter usage</a>, it's a model that looks set to spread across Sweden.</p>
<div id="d7bf9" class="rm-shortcode" data-rm-shortcode-id="8757b138d5570bec9d6aad18074a429a"><blockquote class="twitter-tweet twitter-custom-tweet" data-twitter-tweet-id="1273556364263071744" data-partner="rebelmouse"><div style="margin:1em 0">Read more about Western Harbour and book a visit: https://t.co/ujSmVs9rNK 🏡🌳🌊 https://t.co/C5PuPziqIM</div> — Smart City Sweden (@Smart City Sweden)<a href="https://twitter.com/SmartCitySweden/statuses/1273556364263071744">1592474473.0</a></blockquote></div>
Scaling Up<p>A recent development by E.ON in Hyllie, a district on the outskirts of Malmö, southern Sweden, <a href="https://www.eonenergy.com/blog/2019/February/sweden-smart-city" target="_blank">has scaled up the smart grid principle</a>. Energy generation comes from local wind, solar, biomass and waste sources.</p><p>Smart grids then balance the power, react to the weather, deploying extra power when it's colder or putting excess into battery storage when it's warm. The system is not only more efficient, but bills have fallen.</p><p>Smart energy developments like those in Hyllie, Ludivika, and renewable-driven district heating, offer a radical alternative to the centralized energy systems many countries rely on today.</p><p>The EU's leaders have a challenge: how to generate 32% of energy from renewables by 2030. Sweden offers a vision of how technology and local solutions can turn a goal into a reality.</p>
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By Jessica Corbett
In another win for climate campaigners, leaders of 12 major cities around the world — collectively home to about 36 million people — committed Tuesday to divesting from fossil fuel companies and investing in a green, just recovery from the ongoing coronavirus pandemic.
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