Air pollution

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

Sin City just got a little greener.

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

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

A broccoli concoction showed promise in a recent study in fighting one harmful effect of air pollution, but that doesn't mean that broccoli can "detox" the body.

Olive oil could help protect against heart disease, a small new study suggests, but some experts remain skeptical of the link.

Pollution from China's coal-burning power plants is pumping up winter storms over the northwest Pacific Ocean and changing North America's weather, a new study finds.

Air pollution now causes one in eight deaths, globally.

The dry conditions in California have only worsened winter haze, so regulators are implementing burn bans to prevent soot from accumulating.