The Union of Concerned Scientists (UCS) is a distinguished nonprofit organization founded over 50 years ago by scientists and students from the Massachusetts Institute of Technology, committed to harnessing the power of science to tackle pressing global challenges and enhance human wellbeing. With a dedicated team of nearly 250 scientists, analysts, policy experts, and advocates, UCS focuses on critical issues including climate change, nuclear disarmament, food security, and the promotion of racial and economic equity.

UCS conducts rigorous research to develop innovative solutions that address climate impacts, advocate for sustainable transportation, and promote healthy, just food systems. They actively engage the public and lawmakers, countering misinformation from special interests while mobilizing a community of over 500,000 supporters to drive meaningful change. UCS operates transparently, ensuring that 88% of funds go directly to its programs, and relies solely on individual contributions to maintain its independence. By fostering strong collaborations with diverse organizations, UCS is dedicated to promoting science-based solutions for a healthier and more sustainable future.