The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems. Joining with people across the country, we combine technical analysis and effective advocacy to create innovative, practical solutions for a healthy, safe, and sustainable future.

The Union of Concerned Scientists (UCS) is a national nonprofit organization founded more than 50 years ago by scientists and students at the Massachusetts Institute of Technology. Our mission: The Union of Concerned Scientists puts rigorous, independent science into action, developing solutions and advocating for a healthy, safe, and just future. Today, we are a group of nearly 250 scientists ...

Nov 22, 2024 · The Union of Concerned Scientists puts rigorous, independent science into action, developing solutions and advocating for a healthy, safe, and just future. We are scientists, engineers, economists, activists, and everyday people working together to make change happen.

We know from experience that when science and scientists are sidelined, people get hurt. That’s why we’ve launched the Save Science, Save Lives campaign—to support and champion science and the thousands of federal scientists and experts who are under attack. Join us.

Carbon dioxide and other heat-trapping gases are the main drivers of global warming. While climate change cannot be stopped, it can be slowed.

From 2017 to 2021, observers tracked more than 1,400 changes to the language and available information on federal web sites—targeting information relating to climate science, environmental justice, endangered species, and air and water pollution. The new administration is likely to reduce the amount of information available to the public on these and other topics. The work done by experts at ...

The consensus couldn’t be clearer. Climate change is happening. It’s caused primarily by the burning of oil, gas, and coal. If we do nothing, the world will become significantly less habitable.

The Union of Concerned Scientists is more than just scientists. We are analysts, engineers, policy experts, advocates, and communicators—a diverse group of people with a wide range of experiences and expertise, unified by a common belief: …

Our scientists and experts produce reports, peer-reviewed papers, interactive tools, and other resources as part of our advocacy. Search or browse our resource library below.

The UCS Science Network is a community of more than 17,000 scientists and other experts across the country working to educate the public and inform decisions critical to our health, safety, and environment.