Grist: Victory! After years of protests by environmentalists and concerned citizens, President Obama has announced he will reject TransCanadas application to build the Keystone XL pipeline. Keystone XL would have run 800,000 barrels a day of dirty and carbon-heavy crude oil from Alberta, Canada, to the Gulf Coast. Obamas decision is the first time a president has rejected a major infrastructure project because of climate change. The president cited several reasons for his decision: 1.) The pipeline...