Last week's flurry of tornadoes included the widest twister ever recorded in the U.S. and one tornado that spun backward.
Oil has been flowing into the Gulf of Mexico since a platform was destroyed by Hurricane Ivan -- and nobody's doing anything to stop it.
Monsanto's investigation into a rogue GMO outbreak can be summarized thusly: “Nothing is wrong at our end and everybody's crops are safe. Maybe our opponents planted our freak wheat to try to hurt us.”
NOAA scientists used three methods to predict when summers in the Arctic will be almost ice-free. Looks like it will happen by 2040, and maybe by 2020.
Minneapolis took top honors in the Trust for Public Land's second-annual ParkScore Index, which ranks cities on the quality, quantity, and accessibility of their parks.
After Alaskan leaders slashed the state's tax on oil companies, BP announced that it will ramp up investment and bring new oil rigs to the North Slope.
Major global airlines have agreed on a proposal for reducing carbon emissions -- but it lacks details, aims low, and would sit on the tarmac until 2020 or later.
More than 40 countries now have a cap-and-trade system or carbon tax, or will soon -- and China, Brazil, and other emerging economies might soon join the club.
The U.S. still doesn't have a single offshore wind turbine. The Interior Department is trying to change that by auctioning wind leases off the coasts of Rhode Island and Massachusetts.