• Defend science now

    Defend Science. Renew your support.

    Deadline: February 28. Don’t miss this opportunity to defend science and scientists from political attacks.

    Renew your support now >

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

Karen Perry Stillerman

Karen Perry Stillerman

Sr. Communication Strategist and Sr. Analyst, Food & Environment Program

Meet more of our experts >
Our Progress

UCS Helps Force Withdrawal of Third Anti-Science Nomination

Through strategic local action, working with supporters and partners, UCS successfully pushed back against the nomination of climate change denier Kathleen Hartnett-White to a key federal regulatory position.