• Defend science. Donate now.

    The deadline for 2017 tax-deductible giving is midnight on December 31. Don’t miss your chance to make an even bigger impact for science this year.

    Make your 2017 tax-deductible gift >

Science for a healthy planet and safer world.

Stay Informed

Join our online community

We depend on your support

Ways to give

Meet our Experts

Dave Lochbaum

Director, Nuclear Safety Project

Meet more of our experts >
Our Progress

UCS Rallies Thousands to Protect Food

UCS led supporters in successfully opposing the nomination of radio talk show host Sam Clovis for a USDA chief scientist position.