• Extreme Heat

    What the Science Tells Us about Extreme Heat Events

    Read more >

Science for a healthy planet and safer world.

Stay Informed via email from UCS

Join our online community

We depend on your support

Ways to give

Meet our Experts

Peter Frumhoff

Peter Frumhoff

Director of Science & Policy

Meet more of our experts >
Our Progress

14k UCS Supporters Help Change EPA Policy on Dirty Trucks

So-called “glider trucks” are heavy polluters, which is why so many UCS supporters have advocated for limits on their emissions, including 14,000 who contacted EPA Acting Administrator Andrew Wheeler and legislators to demand these limits be enforced; Wheeler has agreed.