EPA has good and bad news on children's health

Nixon at 100: A green Nixon doesn't wash

Solved: The mystery of the biofuel-filled train that kept crossing the border

Lisa P. Jackson to step down as EPA chief

The heating season footprint [Infographic]

As Sandy approaches, a walk along the toxic Gowanus Canal

The Clean Water Act turns 40

Smog standard rejected by Obama would save thousands of lives yearly

EPA proposes stricter soot standards

U.S. House OKs 'Sportsmen's Heritage Act'

U.S. to curb fracking emissions ... eventually

EPA cancels grant applications for $20-million green chemistry program