Here are some of the links about the Keystone XL pipeline that I showed in class today:
http://350.org/campaigns/stop-keystone-xl/
https://www.youtube.com/watch?v=20ulbWCwnoQ
Also, here’s a NYTimes website feature that provides the most recent updates on the U.S. legislative battles over the Keystone XL pipeline: http://topics.nytimes.com/top/reference/timestopics/subjects/k/keystone_pipeline/index.html?inline=nyt-classifier