Pollution

Shenyang's smog is even a problem for healthy individuals.

Getting diesel cars to operate with high fuel efficiency, power and clean emissions is a challenging problem, which may be why Volkswagen cheated the system.

Idle electronics, the energy vampires in nearly every U.S. home, aren't going away — but you can take steps to pull the plug, and save some money.

Outdoor air pollution kills 3.3 million people around the world every year, according to a new study.

Pollution and dust is shrinking the monsoon season, threatening the crops that feed millions.

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.

People who breathe polluted air every day may have smaller brains, and a higher risk for "silent strokes," researchers say.

The 2011 Japan tsunami released thousands of tons of ozone-destroying chemicals and greenhouse gases into the air.

In California, tougher rules about air pollution are linked with better lung health in children, a large new study finds.

Hot and humid cities can birth more summer thunderstorms than rural areas in the Southeast.

Suicides correlate with air pollution levels in Salt Lake county, Utah, adding to a small but growing body of research that suggests that environmental factors influence suicide risk.

One of the deadliest tornado outbreaks in U.S. history was strengthened by smoke from burning farmlands in Central America, a new study suggests.

As human activity alters the balance of nutrient cycles in nature, one mathematical biologist seeks answers to questions about how phosphorous pollution affects our lakes.

Sin City just got a little greener.

Ocean waters may hold 10 times more garbage than a previous estimate.

Research results will have implications for many other lakes in the U.S. and around the world that are also experiencing toxic blooms.

A striking new video from NASA reveals how the greenhouse gas carbon dioxide spreads across Earth in a single year.

Kids may be more likely to develop ADHD if they are exposed to higher levels of air pollution before birth, a new study suggests.