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Our Changing Climate


Would you like to learn more about climate change? We've put together a collection of resources that dig deeper on the topic and look at how we can respond - globally and locally. 

The U.S. EPA website on climate change

The U.S. EPA developed a website on climate change to inform citizens about the basic science behind climate change and the impacts of increased greenhouse gas emissions on our weather. In 2018, the Trump administration erased all climate change information from the U.S. EPA website. Fortunately, the City of Chicago has preserved the former the former EPA climate change website.

We encourage you to explore this archived site for an overview of why and how the climate is changing and what we can do about it.

Responding to Climate Change

The Intergovernmental Panel on Climate Change Special Report

Issued in the fall of 2018, this landmark report from the United Nations’ scientific panel on climate change paints a far more dire picture of the immediate consequences of climate change than previously thought. The report, written and edited by 91 scientists from 40 countries, recommends aggressive action to avoid the severe impacts of a projected increse of average global temperature by 2.7 degrees Fahrenheit by 2040 if greenhouse gas emissions continue at the current rate.

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Climate Science Special Report - Fourth National Climate Assessment, Volume 1 Climate Science Special Report

This report is an authoritative assessment of the science of climate change, with a focus on the United States. It represents the first of two volumes of the Fourth National Climate Assessment, mandated by the Global Change Research Act of 1990. Published in 2017, this comprehensive report demonstrates why it is so important that we take imediate action to mitigate clmate change. (

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Full report as a PDF

Deep Decarbonization Pathways Project

The Deep Decarbonization Pathways Project (DDPP) is a global collaboration of energy research teams charting practical pathways to deeply reducing greenhouse gas emissions in their own countries. It is predicated on taking seriously what is needed to limit global warming to 2°C or less.

Visit the DDPP website

Policy Implications of Deep Decarbonization in the United States

Wisconsin Initiative on Climate Change Impacts (WICCI)Cover image of Wisconsin's Changing Climate report

WICCI was formed in the fall of 2007, by the Wisconsin Department of Natural Resources (DNR) and the University of Wisconsin Nelson Institute for Environmental Studies. It's mission is to generate and share information that can limit vulnerability to climate change in Wisconsin and the Upper Midwest.

The WICCI website offers a wealth of current, Wisconsin-focused, information on climate change, its impacts, adaptation and other resources.

WICCI's comprehensive report, Wisconsin's Changing Climate: Impacts and Adaptation, is a resource for business executives, government, natural resource managers, public health officials and other decision makers as they take strategic steps to preserve jobs, invest resources wisely, build resiliency and protect our built and natural environment in the face of a changing climate.