This week Scott Pruitt, head of the Environmental Protection Agency acknowledged that humans do indeed contribute to a warming climate. Mr. Pruitt’s concession to scientific consensus came with a caveat: “The real issue is how much we contribute to it and measuring that with precision.” Indeed, how regulators measure climate impact matters more than agreeing that such an impact exists. This makes President Donald Trump’s order last week scrapping official estimates of the “social cost of carbon” especially significant....

Source: Wall Street Journal April 05, 2017 18:45 UTC