Richard Lugar actually said...

"Climate change poses a clear and present danger to the United States of America."

"We have a responsibility to lead in the fight against climate change."

"To adequately prepare our military forces for future threats, we need to understand how climate change might be a source of war and, certainly, instability."

"The United States is confronted by a cluster of national security threats that arise from our economic and cultural reliance on fossil fuels."