Christian Science Monitor: President Obama is on the record stating he would approve the Keystone XL pipeline from Canada to the American Gulf Coast only if it did not significantly exacerbate climate change. Now, a new study is saying it could potentially do precisely that.
The controversial pipeline could spur up to 121 million tons in new carbon dioxide emissions four times the State Departments 27 million ton estimate, according to the study, published Sunday in Nature Climate Change. Researchers contend the pipeline...