What prevents final approval of the Keystone XL oil pipeline project?

Unanswered environmental questions, including the contribution to global warming caused by fossil fuels and the threat of leaks.
14% (244 votes)
Pressure from global suppliers other than Canada.
1% (20 votes)
60% (1063 votes)
Nothing. Build it.
25% (440 votes)
Total votes: 1767


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