![](https://webarchive.library.unt.edu/web/20170119050942im_/http://www.ucsusa.org/sites/default/files/styles/promo_landscape/public/images/promos/2014/05/promo-looking-at-ice.jpg?itok=11lBSdHe)
Climate
Join our efforts to tackle global warming emissions and help communities prepare for the consequences of climate change.
ACT NOW: Tell ExxonMobil to stop discrediting climate science. >
Join our efforts to tackle global warming emissions and help communities prepare for the consequences of climate change.
ACT NOW: Tell ExxonMobil to stop discrediting climate science. >
Help maximize the use of clean, renewable energy throughout the United States and move the country away from dirty fossil fuels.
We have the solutions to cut our nation’s projected oil use in half over the next 20 years—and you can help.
ACT NOW: Tell President Obama to put us on a path to make oil savings a reality. >
We can shift agricultural investments away from junk food ingredients and polluting farming systems, and toward healthy food and farms.
ACT NOW: Urge Congress to protect healthy school lunch standards. >
Our supporters are helping to reduce the palm oil industry’s contribution to tropical deforestation and global warming.
ACT NOW: Demand global corporations eliminate deforestation from their beef. >
Help us strengthen American democracy by advancing the essential role of science in government, corporate, and personal decision making.
ACT NOW: Tell your senators to defend our science-based safeguards. >
Working together, we’re making nuclear power generation in the United States safer.
ACT NOW: Call for enforcement of nuclear power fire safety regulations. >
You can help make the world less dangerous by joining our efforts to lessen the number of nuclear weapons on hair-trigger alert.
Make sure your actions have the biggest impact. These tips and tools are designed to help beginner and seasoned advocates be more effective when communicating with the media and policymakers.
Calling all scientists, engineers, health professionals, and economists: use your expertise, knowledge, and dedication to build a healthy environment and safer world.
As a scientist or technical expert, you have vital skills and knowledge that can help your community, our nation, and the world grapple with pressing and complex challenges.
Join the UCS Science Network, a continuously growing community of more than 17,000 experts who play a critical role in advancing science-based solutions to some of our most pressing problems. As a network member, you can influence key policy makers, attend workshops to improve your communications and advocacy skills, collaborate with UCS staff and other Science Network members, and much more!
The UCS Science Network is intended for experts in science-based fields, engineers, health professionals, and economists with or working towards an advanced degree.
Become one of the thousands of experts who are helping UCS make a difference!
The Union of Concerned Scientists is a membership organization—it’s the support of people like you that ensures science helps build a healthy planet and a safer world.
You can be confident your support will be spent wisely—84 percent of donations go directly to fund our program work and for seven consecutive years we have received the Four Star Charity Navigator rating—a distinction achieved by fewer than 2 percent of non-profits.