The health effects of air pollution imperil human lives. This fact is well-documented.

Love is in the air but the air is highly polluted

I spend a year at the Hoover Institute at Stanford, researching market approaches to air pollution control.

Carpooling is important for urban density, air pollution and other reasons, but carpooling is not the kind of thing that actually changes the energy equation.

Current standards do not do enough to protect the public from serious health dangers associated with this form of pollution.

The AP's analysis of health risks posed by industrial pollution across the country is a substantial contribution to the public's understanding of where greater attention needs to be focused.