Up until now, pipelines that carry tar sands oil have been treated just like pipelines that carry any other oil. But the Environmental Protection Agency now says that should change. That's because when tar sands oil spills, it can be next to impossible to clean up.
The agency made this argument in its evaluation of the State Department's environmental review of the Keystone XL pipeline project, which, if approved, would carry heavy crude from Alberta, Canada, to refineries in the United States.
Originally published on Thu April 25, 2013 6:30 am
Scientists have digitized and analyzed imagery taken by one of the first U.S. weather satellites to create a montage showing the extent of polar sea ice in 1964 so they can compare it to more recent satellite photos.
Last year's drought wreaked havoc on farmers' fields in much of the Midwest, cutting crop yields and forcing livestock producers to cull their herds. This spring, the rain that farmers needed so badly in 2012 has finally returned. But maybe too much, and at the wrong time.
It's almost the end of April, which is prime time to plant corn. But farmers need a break in the rain so they can get this year's crops in the ground and try to lock in good yields at harvest.
Much of our coffee comes from places where the environment is endangered and workers earn very little — sometimes, just a few dollars for a whole day's work. Coffee farmers have helped cut down tropical forests, and most of them use pesticides.