Electric vehicles (EVs) powered by lithium-ion batteries have become the preferred alternative to gasoline vehicles, and they ...

Food production in the United States is at a crossroads. For decades, the public policies and big corporations that shape our food and agricultural system have pressed farmers to manage their land ...

The science is clear: climate change is happening. We are the cause. We need to act now. Table of Contents The science is clear: climate change is happening. We are the cause. We need to act now.

Today, the Biden administration announced its updated target for reducing U.S. global warming emissions under the Paris ...

UCS has been documenting the problem of political interference in science in the US federal government since its landmark 2004 Scientist Statement on Scientific Integrity. In addition to tracking ...

Nuclear weapons are still here—and they’re still an existential risk. Nine countries possess nuclear weapons: the United States, Russia, France, China, the United Kingdom, Pakistan, India, Israel, and ...

Dave Cooke is a senior vehicles analyst in the Clean Transportation Program, specializing in both light- and heavy-duty fuel economy. He conducts research on fuel efficiency technologies and the ...

Rachel Cleetus is the policy director with the Climate and Energy program at the Union of Concerned Scientists. She leads the program’s efforts in designing effective and equitable policies to address ...

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 short answer is: because we are human beings who believe in justice, and we want our work to reflect that belief. So, as an organization that works for “a healthy planet and a safer world,” we ...

Juan Declet-Barreto is Senior Social Scientist for Climate Vulnerability for the Climate & Energy Program at the Union of Concerned Scientists. At UCS, he researches, maps, analyzes, communicates, and ...

Dr. Laura Grego is a senior scientist and the research director of the Global Security Program at the Union of Concerned Scientists, where she has worked at the intersection of science and public ...