What is the controversy surrounding the Keystone XL pipeline?

TransCanada proposed a fourth phase for the pipeline as far back as 2008. This is known as the Keystone XL project and it is Keystone XL that is causing controversy. The XL project will provide a second route through the North-West of America from the Western Canadian Sedimentary Basin in Alberta, Canada. read more

With the controversy over the Keystone XL pipeline extension surfacing yet again -- opponents will hold a rally Wednesday night in San Francisco's Pacific Heights neighborhood, outside a fundraiser President Obama is headlining--we thought we'd clarify a few points about the contentious project. read more

One small part of the proposed Keystone XL pipeline crosses an international boundary, so has to be approved by the president. Obama chose not to approve it, against the advice and science of his own experts. read more