Skip to main content

Search

Our experts are responding to the administration’s actions. Learn more.

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

Flooded Scituate, MA Harbor Coast Guard Station

Looming Deadlines for Coastal Resilience

Between now and 2050, climate change–driven sea level rise will expose more than 1,600 critical buildings and services to disruptive flooding at least twice per year.

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

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

a metro transit bus on the corner of First Avenue in Minneapolis, MN, USA

Freedom to Move

We need a transportation system that centers the communities it’s meant to serve.

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Our transportation system is outdated and broken—and it needs to change.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

photo of a PVC pipe disgorging a high volume of greenish-brown wastewater into a body of freshwater

Waste Deep

Water pollutants from Tyson Foods' meat processing plants pose a risk to both people and the environment.

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

White text over a gray background that reads "Risks and Consequences of Russia's War on Ukraine."

Risks & Consequences of Russia's War on Ukraine

What are the humanitarian costs of the use of tactical nuclear weapons?

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

An active oil refinery located next to a single family home in Wilmington, California on September 21, 2022.

The Community Guide to Cumulative Impacts

This guide is a resource to help protect us from cumulative impacts of pollution—especially in disproportionately impacted and overburdened communities.

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

Chrissy Mattson

Officer, Data Systems

There is no photo available of this person.

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

Tell Citi: Stop Financing Fossil Fuel Expansion

Write today and tell Citi leaders to stop enabling the harms of the fossil fuel industry.

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

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