Oprah? Really?

Published: Jan. 12, 2018, 12:34 p.m.

When world leaders came together in 2015 to settle on a framework for action on climate change, the resulting agreement set a goal of limiting the rise in global average temperatures from preindustrial levels to 2 degrees Celsius by 2100. The climatologist Michael Mann, voicing what has been the scientific consensus for some time, has warned that warming beyond that could lead to \u201cenvironmental ruin.