https://www.ucs.org/
Union of Concerned Scientists
The Union of Concerned Scientists puts rigorous, independent science to work to solve our planet's most pressing problems. Joining with people across the...
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https://blog.ucs.org/shuchi-talati/solar-geoengineering-what-you-need-to-know/
Confronting Solar Geoengineering: What You Need to Know - Union of Concerned Scientists
Climate change threatens public health, food security, water availability, and national security - just to name a few areas of impact. Dramatic reductions in...
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https://www.ucs.org/food/sustainable-agriculture
Sustainable Agriculture | Union of Concerned Scientists
Farmers and scientists are working together to transform the way we grow our food by building healthier soil and more diverse, resilient farm landscapes.
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https://www.ucs.org/science-democracy/evidence-based-decisions
A More Just Society | Union of Concerned Scientists
Policies that affect everyone’s well-being need to be based on facts and evidence.
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https://www.ucs.org/resources/harnessing-power-electric-vehicles
Harnessing the Power of Electric Vehicles | Union of Concerned Scientists
UCS research shows that vehicle-grid integration (VGI) enables electric system savings, ranging from $1.8 billion - $11.7 billion per year in 2045.
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https://www.ucs.org/food/solutions
Food Solutions | Union of Concerned Scientists
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https://www.ucs.org/energy/renewable-energy
Renewable Energy | Union of Concerned Scientists
Unlimited resources. Little or no pollution.
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https://www.ucs.org/food/food-justice
Food Justice | Union of Concerned Scientists
Racism, exploitation of workers, and other forms of injustice pervade our food system. Our solutions must address these entrenched inequities.
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https://www.ucs.org/resources/independent-science-initiative
The Independent Science Initiative | Union of Concerned Scientists
UCS is building an alliance for independent science.
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https://blog.ucs.org/tara-drozdenko/the-clock-is-ticking-on-new-start-expiration-and-a-nuclear-arms-race/
The Clock Is Ticking on New START Expiration—and a Nuclear Arms Race - Union of Concerned...
Allowing the New START treaty between Russia and the United States to expire in 2026 could lead to an unconstrained race for nuclear weapons around the world.
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https://www.ucs.org/about/accomplishments
Accomplishments | Union of Concerned Scientists
We’ve combined science and advocacy for more than fifty years. The results speak for themselves.
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https://blog.ucs.org/dylan-spaulding/on-the-future-of-nuclear-testing-in-america/
On The Future of Nuclear Testing in America - Union of Concerned Scientists
A strong and meaningful test ban would come at virtually no strategic cost since the US has so little to gain from renewed testing.
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https://www.ucs.org/resources/guiding-californias-land-transitions-toward-justice-and-equity
Guiding California's Land Transitions Toward Justice and Equity | Union of Concerned Scientists
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https://www.ucs.org/sms:67369;?&body=SCIENCE
404 | Union of Concerned Scientists
Scientific results are sometimes.... surprising.
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https://www.ucs.org/nuclear-weapons/worldwide
Nuclear Weapons Worldwide | Union of Concerned Scientists
An in-depth overview of nuclear weapon arsenals across the globe.
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https://www.ucs.org/food
Food | Union of Concerned Scientists
Using science to build a food system that provides healthy, affordable food for all, treats farmers and food workers fairly, and takes good care of the...
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https://www.ucs.org/resources/co2-and-ocean-acidification
CO2 and Ocean Acidification | Union of Concerned Scientists
Rising CO2 concentrations in the atmosphere are changing the chemistry of the ocean, and putting marine life in danger.
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https://www.ucs.org/about/ways-give/planned-giving
Planned Giving at UCS | Union of Concerned Scientists
You can help safeguard science by leaving a gift to UCS in your will or other estate plan.
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https://blog.ucs.org/lgrego/a-house-of-dynamite-gets-it-right-but-heres-the-full-picture/
A House of Dynamite Gets It Right—But Here’s the Full Picture - Union of Concerned Scientists
The Pentagon is wrong to attack the movie for being inaccurate. We cannot rely on missile defense systems to protect us from nuclear destruction.
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https://www.ucs.org/resources/ucs-what-we-do
UCS: What We Do | Union of Concerned Scientists
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
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https://blog.ucs.org/shuchi-talati/strengthening-public-input-on-solar-geoengineering-research/?_ga=2.200980717.297783707.1604680650-172181514.1582826422
New Issue Brief: Strengthening Public Input on Solar Geoengineering Research - Union of Concerned...
UCS has published a new issue brief that looks at the essential role of public participation for solar geoengineering research and provides recommendations for...
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https://www.ucs.org/resources/access-denied
Access Denied | Union of Concerned Scientists
The Trump administration is evading legal requirements as it attacks a wide range of public health, environmental, and safety rules.
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https://www.ucs.org/about/jobs
Jobs | Union of Concerned Scientists
Join our team of experts and advocates to help create a better, safer world.
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https://www.ucs.org/science-network
Science Network | Union of Concerned Scientists
The UCS Science Network is a community of more than 20,000 scientists and other experts across the country working to educate the public and inform decisions...
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https://www.ucs.org/food/healthy-food
Healthy Food for All | Union of Concerned Scientists
We all need food to live and thrive. It’s one of the common threads that binds us humans together. Throughout history, human communities have been challenged...
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https://scoville.org/organizations/union-of-concerned-scientists/
Union of Concerned Scientists - Scoville Fellowship
Jul 22, 2025 - The Union of Concerned Scientists is a national organization putting science into action to build a healthier planet, a safer world, and a more equitable...
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https://www.ucs.org/take-action/power-ahead
Power Ahead | Union of Concerned Scientists
We need modern electricity. Our future depends on it.
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https://www.ucs.org/science-democracy/independent-science
Independent Science | Union of Concerned Scientists
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https://www.ucs.org/energy/nuclear-power
Nuclear Power | Union of Concerned Scientists
Low-carbon electricity, with serious economic and safety issues.
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https://www.ucs.org/take-action/transforming-transportation
Transforming Transportation | Union of Concerned Scientists
Our transportation system is a mess. Let’s fix it.
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https://www.ucs.org/transportation/solutions
Solutions | Union of Concerned Scientists
Transportation won’t fix itself. We need smart, forward-looking policies—not the status quo.
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https://www.ucs.org/resources/hurricanes-and-climate-change
Hurricanes and Climate Change | Union of Concerned Scientists
Increasingly destructive hurricanes are putting a growing number of people and communities at risk.
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https://www.ucs.org/take-action/healthier-democracy
A Healthier Democracy | Union of Concerned Scientists
We need a democracy that gives everyone a voice in decisionmaking if we want policies that truly serve the common good.
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https://www.ucs.org/resources/science-and-democracy-under-siege
Science and Democracy Under Siege | Union of Concerned Scientists
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https://www.ucs.org/about/funding-financials
Funding & Financials | Union of Concerned Scientists
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https://www.ucs.org/nuclear-weapons
Nuclear Weapons | Union of Concerned Scientists
They’re the most dangerous invention the world has ever seen. Can we prevent them from being used again?
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https://blog.ucs.org/category/global-security/
Global Security Archive - Union of Concerned Scientists
Our experts continue to provide the latest analysis on nuclear weapons and the nuclear threat.
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https://www.ucs.org/about/history
History | Union of Concerned Scientists
We’ve spent 50 proud years tackling the world’s most pressing issues.
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https://www.ucs.org/resources/merck-manipulated-science-about-drug-vioxx
Merck Manipulated the Science about the Drug Vioxx | Union of Concerned Scientists
Scientists from pharmaceutical giant Merck skewed results of clinical trials in favor of the arthritis drug, Vioxx, to hide evidence that the drug increased...
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https://www.ucs.org/energy/solutions
Solutions | Union of Concerned Scientists
The power sector needs cleaning up, but it won’t do it by itself. We need good policies—and real solutions.
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https://www.ucs.org/transportation/access
Access | Union of Concerned Scientists
Science-based policies, investments, and expanding choices for how people get around in urban, suburban, and rural areas can improve an outdated transportation...
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https://blog.ucs.org/tag/nuclear-weapons/
Tag Archive for "nuclear weapons" - Union of Concerned Scientists
A blog on science, solutions, and justice
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https://www.ucs.org/resources/plutonium-pit-production
Plutonium Pit Production | Union of Concerned Scientists
The US plan to build new plutonium pits for nuclear weapons is unnecessary, risky, and dangerous to the health of workers and communities.
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https://www.ucs.org/about/people/delta-merner
Delta Merner | Union of Concerned Scientists
Delta Merner is the Associate Director for the Climate Accountability Campaign at the Union of Concerned Scientists.
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https://www.ucs.org/resources/solar-geoengineering-participation
Solar Geoengineering Participation | Union of Concerned Scientists
UCS issue brief explains the need and opportunity for researchers and research funders to build inclusive public participation into decisionmaking on solar...
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https://www.ucs.org/nuclear-weapons/justice
Nuclear Weapons Justice | Union of Concerned Scientists
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https://www.ucs.org/transportation/technologies
Technologies | Union of Concerned Scientists
New technologies are redefining how we move around—but are they all positive changes?
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https://www.ucs.org/resources
Resources | Union of Concerned Scientists
Reports, explainers, and multimedia from the Union of Concerned Scientists.
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https://www.ucs.org/take-action/preventing-nuclear-war
Preventing Nuclear War | Union of Concerned Scientists
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https://www.ucs.org/contact
Contact | Union of Concerned Scientists
UCS has offices in Cambridge, MA; Washington, DC; Chicago, IL; and Oakland, CA.
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https://www.ucs.org/take-action/climate-campaign-future
The Climate Campaign for the Future | Union of Concerned Scientists
Scientists and activists working for climate justice together.
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https://www.ucs.org/climate/impacts
Climate Impacts | Union of Concerned Scientists
Climate change is here, and it’s causing a wide range of impacts that will affect virtually every human on Earth in increasingly severe ways.
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https://www.ucs.org/resources/colliding-crises
Colliding Crises | Union of Concerned Scientists
Across the US, the housing crisis and climate change-fueled extreme heat are increasingly colliding.
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https://blog.ucs.org/chanese-forte/will-politics-put-more-peoples-health-at-risk-from-radiation-exposure/
Will Politics Put More People’s Health at Risk from Radiation Exposure? - Union of Concerned...
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https://www.ucs.org/resources/statements-climate-change-us-national-academy-sciences
Statements on Climate Change from the US National Academy of Sciences | Union of Concerned...
Members of the National Academy of Sciences have repeatedly called for climate action. This page includes 3 of their open letters on climate change.
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https://www.ucs.org/climate/accountability
Fossil Fuel Accountability | Union of Concerned Scientists
Oil, gas, and coal companies share an outsized responsibility for the climate crisis.
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https://www.ucs.org/about/news
Media Center | Union of Concerned Scientists
Press releases and information for the media about the Union of Concerned Scientists.
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https://blog.ucs.org/paul-arbaje/whats-next-after-louisianas-gas-plant-approval-for-meta-data-center/
What’s Next After Louisiana’s Gas Plant Approval for Meta Data Center - Union of Concerned...
Just one of these data centers can consume multiple cities’ worth of power, leading to rocketing demand for new energy sources that can increase electricity...
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https://www.ucs.org/faq
Frequently Asked Questions about UCS | Union of Concerned Scientists
Some of the most commonly asked questions about UCS are answered in this FAQ.
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https://www.ucs.org/climate
Climate | Union of Concerned Scientists
Climate change is one of the most devastating problems humanity has ever faced—and the clock is running out.
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https://www.ucs.org/about/people
People | Union of Concerned Scientists
We are scientists, analysts, and advocates working to make change.
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https://www.ucs.org/resources/satellite-database
Satellite Database | Union of Concerned Scientists
In-depth details on the 7,560 satellites currently orbiting Earth, including their country of origin, purpose, and other operational details.
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https://www.ucs.org/energy
Energy | Union of Concerned Scientists
The energy choices we make today could make or break our ability to fight climate change.
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https://www.ucs.org/resources/decades-deceit
Decades of Deceit | Union of Concerned Scientists
Why the case against the major fossil fuel companies for fraud and climate damages is so strong.
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https://www.ucs.org/climate/science
Climate Science | Union of Concerned Scientists
The consensus couldn’t be clearer. Climate change is happening. It’s caused primarily by the burning of oil, gas, and coal. If we do nothing, the world...
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https://www.ucs.org/nuclear-weapons/solutions
Nuclear Weapons Solutions | Union of Concerned Scientists
The only way to completely eliminate nuclear risks is to eliminate nuclear weapons from the planet.
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https://www.ucs.org/about/ways-give
Ways to Give | Union of Concerned Scientists
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https://www.ucs.org/energy/fossil-fuels
Fossil Fuels | Union of Concerned Scientists
Coal, gas, and other fossil fuels are neither sustainable nor safe. We shouldn’t use them.
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https://www.ucs.org/resources/keeping-everyones-lights-on
Keeping Everyone's Lights On | Union of Concerned Scientists
The grid today is woefully unprepared to meet our current climate reality.
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https://www.ucs.org/transportation
Transportation | Union of Concerned Scientists
Our transportation system is outdated and broken—and it needs to change.
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https://globalnews.ca/news/10402470/bc-nurses-union-drugs-weapons-inside-hospitals/
BC Nurses’ Union concerned with rise of illicit drugs, weapons inside hospitals |...
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https://www.ucs.org/about/news/newsom-signs-energy-affordability-package-law
Newsom Signs Energy Affordability Package into Law | Union of Concerned Scientists
California Cap-and-Invest program improvements, energy affordability bills signed into law
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https://secure.ucs.org/a/sign-up-today
Sign up for emails from the Union of Concerned Scientists
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https://www.ucs.org/transportation/oil
Oil | Union of Concerned Scientists
The United States must phase out its use of petroleum-based transportation fuels.
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https://www.ucs.org/about
About | Union of Concerned Scientists
We are a nonprofit organization that uses science to address global problems and improve people’s lives.
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https://www.ucs.org/resources/what-climate-engineering
What is Climate Engineering? | Union of Concerned Scientists
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https://www.ucs.org/about/mission-values
Mission & Values | Union of Concerned Scientists
Our values inspire and guide our work.
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https://www.ucs.org/climate/solutions
Solutions | Union of Concerned Scientists
Carbon dioxide and other heat-trapping gases are the main drivers of global warming. While climate change cannot be stopped, it can be slowed.
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https://www.ucs.org/science-democracy
Science & Democracy | Union of Concerned Scientists
A healthy democracy + independent science = decisions that serve the public good. The Center for Science and Democracy at the Union of Concerned Scientists...
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https://www.ucs.org/take-action
Take Action | Union of Concerned Scientists
We are experts and everyday people, fighting for change together.
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https://www.ucs.org/about/programs
Programs | Union of Concerned Scientists
UCS is organized into six distinctive programs, each focused on a pressing global need.
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https://www.ucs.org/take-action/save-science-save-lives
Save Science, Save Lives | Union of Concerned Scientists
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https://www.ucs.org/about/racial-equity
Racial Equity | Union of Concerned Scientists
Science has often contributed to racist oppression, but it can be a powerful force for justice.
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https://www.ucs.org/about/regional-work
Regional Work | Union of Concerned Scientists
UCS maintains offices across the United States.
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