Skip to main content

Utility Menu

  • About
    • Accomplishments
    • Funding & Financials
    • Mission & Values
    • Ways to Give
    • History
    • Regional Work
    • Programs
    • People
    • Racial Equity
    • Jobs
    • Media Center
  • Take Action
    • Science Rising
    • Climate Accountability
    • Climate Campaign for the Future
    • Power Ahead
    • Transforming Transportation
    • Preventing Nuclear War
    • Healthy Food and Farms
    • A Healthier Democracy
  • 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
Climate
Report
A close up of a dictionary page.

Climate Science in Legal Contexts

Scientific and legal communities often use similar words differently. This resource is designed to help lawyers navigate scientific concepts that frequently arise in climate litigation.

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

Call on Congress to invest in affordable climate resilient housing.

Send Letter
Energy
Report
Wind turbines in an offshore wind farm.

New England’s Offshore Wind Solution

The New England winter is no match for what offshore wind offers.

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
Transportation
Video
a man in a wheel chair and a woman talking on a city sidewalk

What is the Surface Transportation Reauthorization?

This federal legislation determines how transportation in the US is funded. It also shapes the country’s transportation system.

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Our transportation system is outdated and broken—and it needs to change.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

Send Letter
Food
Report
A tractor spraying fertilizer on a field.

Less Fertilizer, Better Outcomes

US farmers apply far more synthetic nitrogen fertilizer than their crops can actually absorb, harming people, ecosystems, and the climate.

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.

Take Action
Nuclear Weapons
Report
Aerial view of the Savannah River Site in South Carolina

Plutonium Pit Production

The US plan to build new plutonium pits for nuclear weapons is unnecessary, risky, and dangerous to the health of workers and communities.

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.

Take Action
Science & Democracy
Report
an "access denied" stamp in red covering the text of the Constitution

Access Denied

The Trump administration is evading legal requirements as it attacks a wide range of public health, environmental, and safety rules.

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
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
    • Impacts
    • Science
    • Accountability
    • Solutions
  • Energy
    • Renewable Energy
    • Nuclear Power
    • Fossil Fuels
    • Solutions
  • Transportation
    • Access
    • Technologies
    • Oil
    • Solutions
  • Food
    • Sustainable Agriculture
    • Healthy Food
    • Food Justice
    • Solutions
  • Nuclear Weapons
    • Justice
    • Worldwide
    • Missile Defense
    • Solutions
  • Science & Democracy
    • Independent Science
    • Evidence-Based Decisions
    • A Healthier Democracy

Utility Menu

  • About
    • Accomplishments
    • Funding & Financials
    • Mission & Values
    • Ways to Give
    • History
    • Regional Work
    • Programs
    • People
    • Racial Equity
    • Jobs
    • Media Center
  • Take Action
    • Science Rising
    • Climate Accountability
    • Climate Campaign for the Future
    • Power Ahead
    • Transforming Transportation
    • Preventing Nuclear War
    • Healthy Food and Farms
    • A Healthier Democracy
  • Science Network
  • Reports & Multimedia

Get email updates

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

Support our work

Donate
Say it with science. Visit the store
View the blog

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

Make Your State a Clean Energy Leader

Write today and tell your state leaders to keep accelerating on clean energy!

You'll receive updates and urgent action alerts from UCS. You can unsubscribe at any time.

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

Support our work

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