A cow in North Dakota rubbed up against a tank valve, probably while scratching an itch, and triggered a spill of natural gas condensate.
Leaders around the globe are glad to see the U.S. finally taking global warming seriously. This could lay the groundwork for a new international climate deal next year.
The president is about to launch the largest climate change initiative in U.S. history, and it's not because he's a tree-hugging hippie.
Global warming has opened up the Northwest Passage to shipping, which could mean that invasive species have an easier time hopping from port to port.
GOP politicians are using a new tactic as they fight climate action: playing dumb.
Beyond Petroleum? Not anymore. These two oil giants plan to stay oil giants, with emphasis on the oil.
The state now has the dubious distinction of being the first in the nation to undo a renewable energy mandate.
What, did you think that the Kochs were going to turn their massive tar-sands holdings into a nature preserve?
Three proposed fossil fuel projects aim to boost coal and oil exports out of the Pacific Northwest, which would raise the risk of oil spills.