For years, when the EPA assessed the economic impact of new regulations, it weighed both the health costs for Americans and ...

A recent large study conducted in Sweden has found that long-term exposure to elevated levels of air pollution may increase ...

Throwing another log into a crackling fireplace on a cold winter's night might seem like a cozy, harmless tradition. But Northwestern University scientists have found residential wood burning is a ...

I grew up in rural Colorado, deep in the mountains, and I can still remember the first time I visited Denver in the early ...