More than one hundred climate scientists, economists and biologists have signed an open letter, calling for a moratorium on tar sands oil development in North America.
Sarah Hobbie is a professor in the Department of Ecology, Evolution and Behavior at the University of Minnesota, and says the group is reacting to continuing climate change…
Hobbie says the tar sands development in Canada doesn’t provide much energy for the costs involved…
The tar sands are a major economic source for Canada, but Hobbie says that return is only in the short term…
Trans Canada has been pushing to get the needed permits to build the Keystone XL pipeline across the Dakotas and Nebraska to move oil from the tar sands region to the gulf coast.





