EPA: Duke Energy Finished Cleaning Coal Ash From Dan River
The U.S. Environmental Protection Agency and Duke both announced the cleanup's completion this week. In February, Duke reported that it spilled 50,000 to 82,000 tons of coal ash into the river near Eden, NC. Based on those numbers, the spill was the equivalent of 413 to 677 rail cars of wet coal ash being poured into a public drinking water source. However, the company has since decreased its estimate down to 39,000 tons.
Duke only dredged about 2,500 tons of coal ash that had been found against a dam in Danville, VA, the Associated Press reported. Though the company only recovered a small portion of its spill, a coordinator said recent testing showed that concentrations of toxic metals were below federal limits and comparable to pre-spill levels.
"We continue to do some monitoring and will base our decisions for actions on the data collected," the EPA's on-scene coordinator Myles Bartos Bartos said. "But I don't think there will ever be a removal again in the river. I think it has been adequately removed."
Duke making its own announcement didn't sit well with Waterkeeper Alliance, especially an attorney who has reason to believe the announcement came far too soon.
“This arrogant announcement from Duke Energy is the ultimate insult to the people North Carolina and Virginia whose river has been devastated by the company’s toxic ash spill,” Waterkeeper Alliance attorney Pete Harrison—who conducted testing on the Dan River after the announcement—said in a statement.
“Worse yet, Duke doesn’t even acknowledge the fact that there’s still a public health advisory declaring that the river is not safe to fish and swim in. Duke’s celebratory announcement that it ‘completed’ the clean-up threatens to mislead the public into think the danger has passed.”
Coal ash, which contains arsenic, mercury and more, made its way into the river after a pipe collapsed at a waste dump, turning the river gray for about 70 miles.
As a result of the spill, the EPA decided the company had to:
- Perform a comprehensive assessment
- Determine the location of coal ash deposits
- Remove deposits along the Dan River as deemed appropriate by EPA, in consultation with the US Fish and Wildlife Service
“Protection of public health and safety remains a primary concern, along with the long-term ecological health of the Dan River,” EPA Regional Administrator Heather McTeer Toney said before the cleanup.
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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