Anarchy on the Installment Plan

We will pay for this one way or another. We will pay to reduce greenhouse-gas emissions today, and we'll have to take an economic hit of some kind. Or we will pay the price later in military terms, and that will involve human lives.

That's retired Marine Corps Gen. Anthony Zinni, former commander of US forces in the Middle East, Central Asia, and the Horn of Africa, quoted from a report authored by a group of retired admirals and generals on the threat climate change poses to national security.