ExxonMobil won't say precisely what chemicals it spilled in Louisiana -- maybe because it's too busy keeping journalists away from another oil-oopsie in Arkansas.
More than half a million kids under 5 are suffering from high blood lead levels, according to the CDC.
Sen. Roy Blunt (R-Mo.). The "Mo." doesn't stand for Monsanto -- we think.
Common clouds over the Arctic are being blamed for the much faster-than-expected rate at which Greenland's ice sheets melted last summer.
A chemical smell like burning rubber has overwhelmed New Orleans. The area is surrounded by gas and oil plants and wells, but nobody can figure out what's causing the stink.
NV Energy will stop burning coal by 2025, replacing that source of energy with renewables and natural gas.
The federal government doesn't consider tar-sands oil to be "oil" -- which means Exxon might weasel out of paying for damages.
The two proposed bills would create tax incentives for city farms and dense development, plus protect the state's existing farmland.
A $6.8-billion project will connect giant cities of eastern Texas with wind farms in the state's blustery west.