Republicans Escalate Pressure to Hold Payroll Tax Cut Hostage to Keystone XL Tar Sands Pipeline December 16, 2011 Expert BlogSusan Casey-Lefkowitz
Why President Obama's comments on the Keystone XL tar sands pipeline matter November 2, 2011 Expert BlogDanielle Droitsch
Outpouring of calls to reject Keystone XL tar sands pipeline as State Department holds final public meeting October 5, 2011 Expert BlogSusan Casey-Lefkowitz
The rule is "safety first" - so why not with tar sands pipelines? March 25, 2011 Expert BlogSusan Casey-Lefkowitz