EPA Climate Change Indicators
The information on this website is drawn from the fourth edition of EPA's Climate Change Indicators in the United States, published in 2016. This report presents 37 indicators, each describing trends related to the causes and effects of climate change.
The above websites were cited from this publication from the Environmental Protection Agency:
U.S. Environmental Protection Agency. 2016.
Climate Change Indicators in the United States, 2016. EPA 430-R-16-004. www.epa.gov/climate-indicators.