Global warming, or more precisely global climate change, has become a major issue in the last few decades. Climate change in Illinois, the nation, and the world has had and will continue to have direct and indirect impacts on Illinois. This site provides some insights on climate change in Illinois and how it relates to the U.S. and the world. A more extensive discussion of the past climate and possible scenarios of the future climate of Illinois can be found on the Illinois Water Supply Planning web site.
These external links do no imply an official endorsement by the Water Survey and may not reflect the views of the Illinois State Water Survey, Illinois Department of Natural Resources, or the State of Illinois. See this disclaimer for our full policy on external links.