U.S. delivers a real climate science debate

U.S. Energy Secretary Chris Wright delivers a speech during the Ceraweek energy conference in Houston in March. Wright, released A Critical Review of Impacts of Greenhouse Gas Emissions on the U.S. Climate written by five experts with a history of climate skepticism. Photo by RONALDO SCHEMIDT / AFP via Getty Images

On the first Earth Day 55 years ago — April 22, 1970 — warnings of pending environmental and climate disaster and human extinction flooded the globe. To help launch the first Earth Day, environmentalist Paul Ehrlich sketched out his most alarmist scenario: Between 1980 and 1989, some four billion people, including 65 million Americans, would perish in the “Great Die-Off.”

For decades since 1970, green activists, scientists, politicians and their media helpers have conti