The report which was developed at the request of the C.I.A. characterizes the threats posed by climate change
as "similar to and in many cases greater than those posed by terrorist attacks."
If the effect of unaddressed climate change is the functional equivalent of terrorist attacks on the nation, does the Executive Branch, as a matter of national security, have a duty and a right to begin to act unilaterally against climate change irrespective of what Congress currently believes?"
Link to Original Source