What can we make of a new study on the effects of climate change on future air pollution?

Quick: How many kinds of gasoline do we use in America? Most people would say three or six: regular unleaded, mid-grade, and premium, along with the ethanol blends of the same that have become nearly universal. The actual number is somewhere above 45, though hard to pin down exactly, according...

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...

Schwartz and Hayward offer an alternative analysis of air pollution levels, trends, and prospects in metropolitan areas across the United States.

Air Quality in America rebuts mistaken perceptions that U.S. air quality is bad by documenting marked improvements over the past decades.

The term "political science" used to mean public policy studied not just as opinion but based on empirical, documentable evidence. Today it's come to mean something darker--the subversion of science in the hands of ideologues committed to manipulating public policy to their end. This new, and disheartening use of the...

The Environmental Protection Agency's forthcoming designation of more than 300 counties as "non-attainment" areas for the new ozone air-quality standard is bound to raise public concern that air pollution is getting worse and that it presents a significant health threat. In addition, spring is a time when advocacy groups release...

Steady advances in technology are decoupling fossil-fuel energy and air pollution.