Nonsense. America has approved and built more pipelines in the last 5 years than we have even propose. China is building new coal fired electrical plants every year. Germany is ending nuclear power and moving to coal. 

No pipelines in Canada means more transport by rail or more imports by sea. If you really want to save the planet quit breathing. Shut off your computer. Destroy all you clothes except wool. Give up your hospitals. Its loaded with equipment made from or enabled by petroleum products.