Ex-Vice President Cheney believed in the one percent solution — aggressively responding to low-probability, high-impact events such as terrorist attacks as if they were certainties. Tom Friedman of the New York Times, applying this “precautionary principle” to climate change, counsels vigorous action.

OUR TAKE
Youth Activists Triumph in Groundbreaking Climate Trial
A landmark legal decision has overwhelmingly justified every human being’s right to a healthy environment. The huge victory by young climate activists in Montana is a win for young people all over the world whose future will undeniably be shaped by the effects of climate change. The case,