The engineer deleted text messages that showed BP was understating the size of the Deepwater Horizon spill.
Two neonicotinoid pesticides that are frequently found on American produce could cause learning and memory problems in humans, European scientists warn.
South Portland has imposed a six-month moratorium on shipping tar-sands oil through its port, and is now looking at a permanent ban.
Combined land and sea temperatures broke through to new highs last month. We can't even blame an El Niño.
The 28 activists and two journalists who were arrested at an offshore oil platform in the Arctic have been freed by an act of parliament, as have the two jailed members of the band Pussy Riot.
Frac sand, ho! The result of a recall election in a small Wisconsin town favors a Texan company that wants to mine for frac sand.
Another way Typhoon Haiyan sucked: it hit at rice-planting time. NGOs are now trying to help Filipino farmers avoid famine.
The EPA recently approved a new neonicotinoid insecticide that's toxic to pollinators. Green groups and beekeepers are suing to get that decision reversed.
Vegetation sucks up some of the carbon dioxide we pump into the atmosphere, but that process could reverse as global temperatures rise.