Explainers, Videos &amp; More

Aerial photo of the W.A. Parish Generating Plant in Thompson, TX, taken from the northwest. The Petra Nova carbon capture project appears on the right.

Carbon Capture, Utilization, and Storage

Carbon Capture, Utilization, and Storage: Understanding the Technology, Applications, and Risks

How Bad Are Fossil Fuels Actually?

The true costs of coal, natural gas, and other fossil fuels aren’t always obvious—but their impacts can be disastrous.

A person wades through water on a flooded street, next to partially submerged cars.

Attribution Science

Attribution science shows us precisely how much climate change is shaping and changing our world.

A billboard in Flint, Michigan, that reads "Boiling YOUR Water DOES NOT REMOVE LEAD"

Applications of Climate, Energy, and Environmental Justice

Assessing the key different types of justice (distributive, procedural, and restorative) within the climate and energy movements can be challenging.

Features

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A chart showing documented attacks on science between January 2025 and May 2026.

Attacks on Science Tracker

This tool tracks attacks on science from the second Trump administration.

A gavel representing lawsuits from the union of concerned scientists

UCS vs Anti-Science Actions

We're suing the Trump administration on a wide range of issues—and winning.

2025 UCS Science Defenders

The 2025 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.

Dirty Air, Dirty Deeds

President Trump has given free rein to some of the most polluting industries in the country.

Videos

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Hiroshima & Nagasaki: Never Again

Join hibakusha, Atomic Veterans, and a global community in calling for a safer world, free from new nuclear weapons.

A scientist with an illustration of a thought bubble above her head and a chart inside of the thought bubble.

How Offshore Wind Lowers Prices

A dispatch curve demonstrates how renewable sources of energy, like offshore wind, can lower electricity prices by avoiding fuel costs.

A scientist smiling holding an illustration of a chart.

When Renewables Passed 25%

It has taken more than 2 decades of advocacy and hard work, but solar and wind are now breaking records, and are often the cheapest source of electricity available.