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 →
New images from NASA's Aura satellite show that over the last decade, the amount of the pollutant nitrogen dioxide in the nation's air has decreased significantly. Continue reading →
Last year it was canned air. This year, the lucky ones in China get to inhale pristine mountain air, from a bag.
Artists' sunsets turned increasingly crimson after major volcanic eruptions and increases in pollution. Continue reading →
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