“Since the late 1960s, the paper [‘A False Sense of Insecurity’ by the Cato Institute] points out, about as many Americans have been killed by terrorists as have been ‘killed over the same period by lightning, accident-causing deer, or severe allergic reaction to peanuts.’
“Climate change, however, is a true security threat—perhaps the most significant threat we face. If scientists are correct, far more people have already lost their lives from the direct and indirect effects of climate change than from terrorism. Processed food, car accidents, chemical spills, environmentally influenced cancers: all of these are probably bigger threats to the lives of average people than terrorism.”

Steffen, Alex. “Sustainability: Our Real Security Focus.”Worldchanging. Ed. Alex Steffen. NY: Abrams, 2011. 434. Print.