Nobody walks in Los Angeles, and that means lots of cars, lots of exhaust, and a big smoggy sky. Where does L.A. rank among the globe's smog centers?
The sun triggers the release of smog-forming nitrogen oxide compounds from urban grime. Continue reading →
Fireworks are a beloved tradition of the Fourth of July, but the colorful displays also bring a spike in air pollution, a new study shows. Continue reading →
The removal of the documentary underscores the ruling Communist Party's sensitivity to public debate over China's notorious smog problem.
Air pollution in Beijing dropped about 4 percent last year, though levels of dangerous particulate matter remained more than three times the recommended limit.
Acid rain and deforestation runoff are causing a drop in the calcium content of some lakes in North America and western Europe, with ominous potential effects.
New numbers from the Global Carbon Project show that the planet is headed for the worst-case scenario feared by climate scientists. Continue reading →
California could be completely powered by renewable energy, according to a plan that uses available technology. Continue reading →
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