Reports

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

A white paper on the aftermath of the US Supreme Court ruling in West Virginia v. EPA

It is possible for the United States to transition to a decarbonized and equitable future by midcentury. In the transportation sector, decarbonization entails the phaseout of petroleum.

The communities most harmed by the status quo are adopting EVs at disproportionately low rates.

Exhaust from diesel trucks and buses is a leading source of harmful air pollution that sends Rhode Island residents to the hospital every year.

Exhaust from diesel trucks and buses is a leading source of harmful air pollution that sends Virginia residents to the hospital every year.

An annual update on the Union of Concerned Scientists’ work to center justice, equity, diversity, and inclusion (JEDI) in our science-based advocacy, impact, and organizational culture.

A task force of activists, organizers, and scholars lay out six key recommendations for safeguarding our democracy.

Many fossil fuel power plants across the country are no longer economic to operate year-round.

Wildfires threaten watersheds and drinking water. Communities should act.

On average, battery-electric vehicles produce roughly half the global warming emissions of comparable gasoline-powered vehicles