The fate of the northern leg of the Keystone pipeline is still up in the air, but the southern leg is now complete and will start delivering oil to refineries in January.
More than 360,000 acres of waterfront habitat were lost between 2004 and 2009, and prairie wetlands took a beating too. Blame development and the ethanol mandate.
New peer-reviewed research finds that organic milk has a near ideal balance of fatty acids, which could help protect you from heart disease. Nonorganic milk, not so much.
This bad boy is 7,100 times worse for the climate than carbon dioxide, and it persists in the atmosphere for more than 500 years.
In the blustery Midwest, power agreements with new wind farms are being signed for even less than gas plants. Wind is breathing down the necks of coal and nuclear too.
The U.S. is spending more than ever to fight blazes, and Australia will need to double the number of firefighters it employs to help keep pace with worsening fire seasons.
Vladimir Putin has proposed giving amnesty to some activists and political prisoners, including Greenpeace protesters who scaled an offshore drilling rig in September.
This is the kind of pollution that causes green slime in the Great Lakes and dead zones in the Gulf of Mexico.
To slow down the rate of species extinction, a U.N. biodiversity group recommends a return to traditional farming techniques.