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Methane reacts in the atmosphere to form components of fine particulate air pollution, which can penetrate deep into the lungs and increase risk for heart disease and asthma.
The activities of illegal miners are a threat to the sustainability of the crater.
Humans generate a lot of trash, but there are cheaper and safer ways to handle it than loading it on rockets.
An astronomer takes us on a tour of the universe to learn about the birth of stars and planets and how they get their spin.
Both gasoline and diesel fuel are refined from crude oil, but they are good for different things and can’t be used interchangeably.
The Earth is constantly changing in natural ways, but most of those changes are very slow. Humans are speeding up other changes with global warming.
Big sports events face a sustainability conundrum: They’re under pressure to grow bigger, but at the same time, their athletes are dealing with increasingly dangerous heat and shorter snow seasons.
Grist reports that penguin guano in Antarctica may help cool the region by forming clouds through ammonia release, but climate change threatens these populations.
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