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fossil fuels, GHGs, pollution -

New researchย from Harvard University, in collaboration with the University of Birmingham, the University of Leicester and University College London, found that more than 8 million people died in 2018 from fossil fuel pollution, significantly higher than previous research suggestedโ€”meaning that air pollution from burning fossil fuels like coal and diesel was responsible for about 1 in 5 deaths worldwide. The study, โ€œGlobal Mortality From Outdoor Fine Particle Pollution Generated by Fossil Fuel Combustion,โ€ย published inย Environmental Research, is based on a groundbreaking analysis that enabled the researchers to directly attribute premature deaths from fine particulate pollution (PM 2.5) to fossil fuel combustion....

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GHGs, green methane, permafrost -

The Arctic cryosphere is collapsing, posing overlapping environmental risks. In particular, thawing permafrost threatens to release biological, chemical and radioactive materials that have been sequestered for tens to hundreds of thousands of years. As these constituents re-enter the environment, they have the potential to disrupt ecosystem function, reduce the populations of unique Arctic wildlife and endanger human health. Here, we review the current state of the science to identify potential hazards currently frozen in Arctic permafrost. We also consider the cascading natural and anthropogenic processes that may compound the impacts of these risks, as it is unclear whether the highly...

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