Explainers

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.

A crucial resource helping policymakers use science to serve the public good, federal science advisory committees are facing unprecedented neglect under the Trump administration.

More than 50 percent of test intercepts have failed.

Industrial agriculture makes farms more vulnerable to climate impacts.

Rising CO2 concentrations in the atmosphere are changing the chemistry of the ocean, and putting marine life in danger.

The most comprehensive, peer-reviewed analysis of the latest science on climate change and its impacts in the United States.

Nuclear power provides low-carbon electricity, though its long-term role in combatting climate change depends on overcoming economic and safety hurdles.

The Intergovernmental Panel on Climate Change (IPCC): Who Are They and Why Do Their Climate Reports Matter?

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.

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

Information about the threats to the global environment from global warming and the loss of biological diversity.

Despite the remarkable human, environmental and economic benefits they have produced, 20th-century policy innovations are under attack in the 21st century.