CRS: 'Extremely likely' humans dominant cause of climate change

A new report by the non-partisan Congressional Research Service (CRS) addressing “evolving assessments” of human's contribution to climate change concludes that there now is high confidence that human influence is the dominant cause, issuing a rebuke to climate skeptics in Congress and in the Trump administration. The Feb. 1 report , “Evolving Assessments of Human and Natural Contributions to Climate Change,” is intended to provide context for the administration's Climate Science Special Report released last October that also concluded humans...