Research continues to reinforce long-standing claims that tapping Canada’s tar sands will push global temperatures to scary heights
Climate change and the global demand for oil will persist whether or not Keystone is built
Putting pipelines through sensitive ecosystems has led to catastrophic oil leaks before. The threat from Keystone is no different.
Canada has the potential to lead the world in renewable energy—if only the government will listen
A hydrologist lays out why Great Plains groundwater is safe from possible leaks in the pipeline
After 6 years mired in political turmoil, the controversial pipeline proposal could be concluded this year.