A series of letters suggests the agency will be watching closely as states in the Northeast and Midwest embrace new drilling technologies to tap vast reserves of shale gas
Despite being classified as a carcinogen, formaldehyde may remain loosely regulated
Why is formaldehyde still listed by the EPA as a probable rather than a known carcinogen, despite major scientific research linking it to leukemia and other forms of cancer?
A spate of water contamination problems in Pennsylvania have been linked to new natural gas drilling in the state
Perchlorate has been found in powdered infant formula by scientists at the U.S. Centers for Disease Control
Some colleagues have accused Lisa Jackson, the new head of the Environmental Protection Agency, of being too cozy with industry, but environmentalists defend her