Reports

How the Union of Concerned Scientists is working to center justice, equity, diversity, and inclusion (JEDI) in our science-based advocacy, impact, and workplaces.

The Census Bureau ran into many problems conducting the decennial census in 2020, beginning with the COVID-19 pandemic.

UCS and an expert advisory committee's report that says the US can and must phase out fossil fuels from the entire economy and ramp up clean renewable energy while confronting the racial and economic inequities inherent in our present energy system.

President Joseph Biden can immediately declare that the United States will never be the first nation to use nuclear weapons without worrying about the effect of such a declaration in Japan.

Agricultural soil carbon is an important tool in battling the climate crisis—but it's not a silver bullet.

The Greenlining Institute and the Union of Concerned Scientists explore low- and zero-emissions zones as policy tools for achieving local air quality improvements and other benefits.

Resources to help experts and others participate in rulemaking at the highest level.

Hypersonic weapons are named after a specific velocity regime—five times the speed of sound or greater. But this nomenclature is misleading, as these flight speeds are nothing new.

Analysis finds it is possible to support coal workers in the clean energy transition and that these comprehensive policies are affordable.

Analysis shows that federal tax credits are an effective near-term path to expand renewable energy.

Farmland consolidation—the trend toward fewer, bigger farms—has been accompanied by social and economic consequences that threaten the long-term health of farm communities.

We studied the most prominent “advanced” nuclear reactor designs. Unfortunately, few are safer or more secure than current generation reactors.

Policies to increase EV adoption are an important component of a broad agenda to increase access to all modes of clean personal mobility and goods movement.

With the Diablo Canyon nuclear power plant retiring, California needs to replace all of Diablo Canyon’s output with clean energy.

An updated analysis of internal efforts to lower the carbon footprint of UCS.

Strategies for recycling lithium-ion batteries will help the continued deployment of electric vehicles.

The Trump administration's attacks on science damaged scientific capacity across multiple agencies. What can the Biden administration do to rebuild federal science?

Overuse of nitrogen fertilizer and mismanagement of animal manure have created a costly groundwater pollution problem in Iowa. State and federal policies can help farmers control this pollution at its source.

US farms are losing soil to erosion at an unsustainable rate. To meet this threat, we need policies that support farmers in conserving and rebuilding soil.

Grappling with climate change requires transforming how we power our economy, and no sector requires more fundamental change than transportation, which accounts for the largest share of US global warming pollution.

The evidence shows that people are having problems receiving mail.

The Transportation and Climate Initiative (TCI) seeks to improve transportation, develop the clean energy economy and reduce carbon emissions from the transportation sector.

Recent polling shows voters don't support spending trillions to replace US nuclear weapons as a top federal government priority.

Climate change threatens to break California’s water system altogether, creating new vulnerabilities for which infrastructure and institutions are unprepared.