By investing in renewable energy, we can directly ramp down gas—and decrease its climate, health, and environmental harms.

In the real world, no one is exposed to one pollutant from one source at a time. Cumulative impacts policies seek to address ...

This guide is a resource to help protect us from cumulative impacts of pollution—especially in disproportionately impacted ...

As California transitions to a transportation system powered by clean electricity, it must phase out the existing supply ...

While small amounts of radioactive material are naturally occurring, human activities have increased radioactivity in the ...

Radiation is associated with a wide range of adverse health outcomes, including acute radiation sickness, burns, cancer, ...

The Union of Concerned Scientists collaborates with partners to connect scientific experts, legal scholars, and practitioners through the UCS Science Hub for Climate Litigation. We are building a ...

Roughly 9,500 nuclear weapons are hidden away in bunkers and missile siloes, stored in warehouses, at airfields and naval bases, and carried by dozens of submarines across the world. A single warhead ...

The movement of wind and water, the heat and light of the sun, the carbohydrates in plants, and the warmth in the Earth—all are energy sources that can supply our needs in a sustainable way. A variety ...

Climate change is one of the most devastating problems that humanity has ever faced—and the clock is running out. Table of Contents Climate change is one of the most devastating problems that humanity ...