Trump Administration Issues Report Concluding That Climate Change Is Real And Man-Made
"This assessment concludes, based on extensive evidence, that it is extremely likely that human activities, especially emissions of greenhouse gases, are the dominant cause of the observed warming since the mid-20th century. For the warming over the last century, there is no convincing alternative explanation supported by the extent of the observational evidence.:
- from "Highlights of the Findings of the U.S. Global Change Research Program Climate Science Special Report", Nov. 3 2017