Skip to main content

Search

We're standing up for science. You can help.

Utility Menu

About
Take Action
Science Network
Reports & Multimedia

en español Donate

Donate

Donate now Renew Become a member Give monthly Gift memberships Gifts in honor & memory More ways to give

88% of funds go directly to programs

An Exxon gas station at night.

Decades of Deceit

Why the case against the major fossil fuel companies for fraud and climate damages is so strong.

Climate Change

Climate change is one of the most devastating problems humanity has ever faced—and the clock is running out.

Learn more about Climate

Impacts
Science
Accountability
Solutions

Defend FEMA and disaster-impacted communities.

Energy

Activist Resource

A group of people marching with a sign that reads "Solar power to the people."

The Electric Utility Toolkit

A set of resources and ideas for making a more just and inclusive power grid.

Energy

The energy choices we make today could make or break our ability to fight climate change.

Learn more about Energy

Renewable Energy
Nuclear Power
Fossil Fuels
Solutions

Demand power plant outage information be made public.

Act Now

UAW Local 5960 member Kinethia Black fills the brakes of a 2022 Chevrolet Bolt EUV during vehicle production

Making the Most of Electric Vehicle Batteries

With smart policies and investments, the US can reduce the need for newly mined lithium by nearly half.

Transportation

Our transportation system is outdated and broken—and it needs to change.

Learn more about Transportation

Access
Technologies
Oil
Solutions

Tell Congress we need electric vehicle infrastructure nationwide.

Food

A controlled burn in a wetland area.

Wetlands in Peril

Protecting wetlands in the Upper Midwest from industrial agriculture could prevent up to $754 billion in residential flood damages.

Food and Farms

The US food system should be providing healthy, sustainable food for everyone. Why isn’t it?

Learn more about Food

Sustainable Agriculture
Healthy Food
Food Justice
Solutions

The farm bill must center communities, not corporations.

Nuclear Weapons

Activist Resource

The dome in Hiroshima

An Activist's Guide to Radiation and Human Health

Essential readings for understanding the world of radiation, radioactive materials, and the threats they pose to human health

Nuclear Weapons

They’re the most dangerous invention the world has ever seen. Can we prevent them from being used again?

Learn more about Nuclear Weapons

Justice
Worldwide
Missile Defense
Solutions

Tell Congress: No more nuclear weapons testing.

Science & Democracy

Activist Resource

Two scientists looking over a clipboard.

Scientific Societies Call on Congress to Save Science

This open letter, signed by more than 40 prominent scientific societies and organizations, was delivered to Congress in March 2025.

Science and Democracy

Democracy and science can be powerful partners for the public good—and both are under attack.

Learn more about Science & Democracy

Independent Science
Evidence-Based Decisions
A Healthier Democracy

Help strengthen scientific integrity at federal agencies.

Take Action Donate

Donate

Donate now Renew Become a member Give monthly Gift memberships Gifts in honor & memory More ways to give

88% of funds go directly to programs

Menu

Close×

Main Menu

Climate
Energy
Transportation
- Access
- Technologies
- Oil
- Solutions
Food
Nuclear Weapons
Science & Democracy

Utility Menu

About
Take Action
Science Network
Reports & Multimedia

About / People

Heidi Smith

Associate Director, Development Analytics

Heidi Smith

Get email updates

Sign up for updates from UCS; unsubscribe at any time.

Support our work

Make it monthly Donate

Visit the store

For text alerts, text "SCIENCE" to 67369 or sign up online.

Receive urgent alerts about opportunities to defend science. Recurring messages. Reply STOP to cancel. Msg & data rates may apply. Terms, Conditions, and Privacy Policy.

Footer

Privacy Policy
State Disclosures
FAQ
Media Center
Jobs
Contact

© Union of Concerned Scientists We are a 501(c)(3) nonprofit organization. 2 Brattle Square, Cambridge MA 02138, USA (617) 547-5552

Facebook BlueSky Youtube Instagram

Defend Science From Trump’s Attacks!

Goal: $50,000 by Saturday, May 31

Trump, Musk, and allies are dismantling science-based protections for corporate profit and power at the expense of our health and safety. UCS is in this fight for the long-haul. Help us fight back.

I'm ready to make a gift

We use cookies to improve your experience. By continuing, you accept our use of cookies. Learn more.

Support our work

Make it monthly Donate

Other ways to give

Renew
Honor & memory
Become a member
Give monthly
Make a planned gift
Gift memberships

More ways to give

Your donation at work

87% of funds go directly to programs