Global warming makes tropical soils leak carbon dioxide

Tropical forest soil warmed in experiments to levels consistent with end-of-century temperature projections released 55 percent more CO2 than control plots, exposing a previously underestimated source of greenhouse gas emissions, ...

Forest soils recovering from effects of acid rain

Before the United States 1970 Clean Air Act, rainfall all over the country was acidic. As precipitation would fall from the sky, it would mix with gases from industrial plants, emissions from cars, and especially coal and ...

Study finds pollution is deadlier than war, disaster, hunger

Environmental pollution—from filthy air to contaminated water—is killing more people every year than all war and violence in the world. More than smoking, hunger or natural disasters. More than AIDS, tuberculosis and ...

Could switchgrass help China's air quality?

Researchers from the United States and China have proposed an idea that could improve China's air quality, but they're not atmospheric scientists. They're agronomists.

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