Explainers
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What’s Wrong with Fossil Fuel–Based Fertilizer?
Massive overapplication of nitrogen fertilizer in agriculture damages soil, causes pollution, and contributes to climate change.
Explainer
What is Climate Loss and Damage?
Wealthy, polluting nations should pay for climate damages.
Explainer
What is Nuclear Testing?
A resumption would increase the risk of nuclear war.
Explainer
EV Buying Guide
Information on how to choose the right electric vehicle including considerations such as range, charging, and performance of EVs in cold weather.
Features
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2023 UCS Science Defenders
The 2023 UCS Science Defenders share a special commitment to leverage science to help their communities. We are so pleased to introduce them, and their great work.
Feature
2023 Annual Report
How did UCS perform over the last year?
Feature
Danger Season 2023
This tool, updated daily, shows how many people across the United States face risks right now from climate impacts.
Feature
2022 UCS Science Defenders
At the end of every year, UCS celebrates a few individuals who have done something outstanding to defend science, and/or used science in some way to help people and change the world for the better.
Videos
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EV Benefits
EVs can yield consumers significant savings on refueling costs, they are low maintenance, and they're fun to drive.
Video
The Infuriating Link Between Wildfires and Fossil Fuel Companies
Groundbreaking science shows how oil and gas companies bear at least some responsibility for worsening forest fires.
Video
Federal Scientists Survey 2023
The latest Union of Concerned Scientists survey of federal scientists shows the powerful, positive effects of strengthening scientific integrity policies under President Biden.
Video
A World Without Nuclear Weapons
We can build a future that promotes diplomacy, environmental justice for frontline communities, and one where we abolish these uniquely destructive weapons.
Podcasts
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The State of the Science
Dr. Mindy Romero, founder of the Center for Inclusive Democracy at the University of Southern California, talks with Jess about election science.
Podcast
Look For The Helpers – Part 2
In the second part of this special Clean Transportation mini-series Jess visits the West Oakland Environmental Indicators Project to talk with co-founder and co-director Ms. Margaret Gordon.
Podcast
Look For The Helpers – Part 1
In the first part of this special Clean Transportation mini-series Jess talks with Adam Browning of Forum Mobility about the future of heavy-duty electric trucks.
Podcast
The Highest Stakes
Jess catches up with lawyer and climate negotiator Hafij Khan about the critical Loss and Damage fund and this year's conference.