The EPA's spill of toxic mine waste into the Animas River spawns conspiracy theories. Continue reading →
Workers from the U.S. Environmental Protection Agency (EPA) accidentally triggered a massive release of toxic waste from an old gold mine that sent about 3 million gallons of polluted water into a Colorado river, turning it orange. 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 U.S. EPA took its first steps Wednesday toward regulating greenhouse gas emissions from commercial airplanes. Continue reading →
The US Environmental Protection Agency on Wednesday said it plans to strengthen regulations for emissions of ozone, a smog-causing pollutant blamed for respiratory ailments affecting millions of Americans.
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 →
November's mid-term elections have left hopes for climate change legislation in the United States in tatters.
The U.S. House of Representatives has passed a bill that limits the Environmental Protection Agency's ability to enforce national water quality standards, giving upstream states greater authority over rivers than downstream states.
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