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Study finds climate impact of hydropower varies widely

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The team found that hydropower emissions on average were far greater and thus worse for the climate than emissions from nuclear, solar and wind power installations, but better for the climate than emissions from coal and natural gas utilities. —Ocko and Hamburg (2019). Ocko and Steven P. 9b05083.

Climate 207
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Study finds shifts to renewable energy can drive up energy poverty

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Efforts to shift away from fossil fuels and replace oil and coal with renewable energy sources can help reduce carbon emissions but do so at the expense of increased inequality, according to a new study by researchers at Portland State University (PSU) and Vanderbilt University. —Julius McGee. —Julius McGee. 2019.05.024.

Renewable 292
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Test of Planet-Cooling Scheme Could Start in 2022

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This question of whether climate change becomes so bad that we have to do something to dull its impacts and reduce human suffering is a very big one,” says Keutsch, an atmospheric chemist. There were nearly 40 million such flights in 2019. Research takes a long time. Concentrations of greenhouse gases are at.

Ozone 121
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Europe/US team: transitioning to a low-carbon world will create new rivalries, winners and losers

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For example, rich countries such as Germany can throw billions of dollars at their coal sector to ease their transition pain, offering generous financial aid to lignite-producing regions. This scenario assumes a full global consensus for action on climate change. Nigeria or Algeria cannot do the same for their oil industry.

Carbon 207
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We Need More Than Just Electric Vehicles

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Manufacturing an EV battery using coal-based electricity results in more than three times the greenhouse-gas emissions of manufacturing a battery with electricity from renewable sources. 70 percent of lithium-ion batteries are produced in China, which derived 64 percent of its electricity from coal in 2020.