Climate change is "a defining issue of our time," joint report states

Abstract

Noting that "climate change is one of the defining issues of our time," a 26 February report jointly issued by the U.S. National Academy of Sciences (NAS) and the Royal Society in the United Kingdom aims to provide a clearly written reference document for policy makers, educators, and others about the current state of climate change science. ©2014. American Geophysical Union. All Rights Reserved.