Polls routinely find that most Americans believe air pollution has been getting worse, will worsen in the future, and is still a serious threat to health. The reality is just the opposite: air pollution has been dropping for decades, will continue to do so, and has become a minor factor...

The UNDP would be better off in not advertising but spending their resources on developing the capitalist institutions.

Anew study raises concerns that releasing hydrogen into the atmosphere might damage the ozone layer, alter global climate, and change the growth rates of soil microbes.

Are todays climate scientists basing their policy recommendations on science or unexamined prejudices?

What does research show about particulate matter in our air?

Air pollution has been a part of human existence for thousands of years, and accounts of noxious urban air go back to ancient times.

Trying to prevent the spread of disease by combating energy use, as advocated by the World Health Organization, is an extremely uncertain and possibly counterproductive policy.