All explainers
Explainer
Global Warming Solutions: Prepare for Impacts
Certain consequences of global warming are now inevitable, including sea level rise, more frequent and severe heat waves, growing wildfire risks, and an increase in extreme weather events.
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Global Warming in the Midwest
Learn how global warming is affecting the US Midwest—and why these consequences will become more costly and damaging in the years to come.
Explainer
EPA Decision Increases Air Pollution Risk
The Clean Air Act has a long record of keeping Americans safe from air pollution and its damaging health effects. A recent decision by Environmental Protection Agency threatens to walk back these vital protections.
Explainer
Scientific Advisory Committees
A crucial resource helping policymakers use science to serve the public good, federal science advisory committees are facing unprecedented neglect under the Trump administration.
Explainer
US Missile Defense Timeline
More than 50 percent of test intercepts have failed.
Explainer
Climate Change and Agriculture
Industrial agriculture makes farms more vulnerable to climate impacts.
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CO2 and Ocean Acidification
Rising CO2 concentrations in the atmosphere are changing the chemistry of the ocean, and putting marine life in danger.
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The National Climate Assessment
The most comprehensive, peer-reviewed analysis of the latest science on climate change and its impacts in the United States.
Explainer
Nuclear Power & Global Warming
Nuclear power provides low-carbon electricity, though its long-term role in combatting climate change depends on overcoming economic and safety hurdles.
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The IPCC: Who Are They
The Intergovernmental Panel on Climate Change (IPCC): Who Are They and Why Do Their Climate Reports Matter?
Explainer
Michigan: Electoral Reform Prospects
Michigan has implemented a more restrictive electoral system relative to other states, and heavy gerrymandering makes it more difficult for the state's citizens to hold their representatives accountable.
Explainer
Global Warming in the Western United States
Learn how global warming is affecting California and the western states, and the solutions states are taking to address the growing risks of climate change. An overview from the Union of Concerned Scientists