A wide shot of a field and nuclear reactor.

Nuclear Security Agency Responds To UCS Scientist's Concerns

After a UCS scientist co-authored an article on the potential for a certain kind of in demand uranium fuel to be used to make nuclear weapons, US nuclear security agency NNSA agreed to sponsor a study on this risk.
Worker walks toward a wind turbine at sunset.

Millions of Midwesterners Benefit from Milestone Clean Energy Investment

In a move that will boost reliable, inexpensive clean energy and jobs in the region—that UCS has supported in state legislatures and with utility regulators for years—a Midwestern utility has voted to invest billions in its transmission system.
An electric car plugged into a charger.

California Passes First-in-the-Nation Bidirectional EV Charging Bill

After years of education and advocacy from UCS and others, California became the first state to require that EVs offer bidirectional charging capability—a forward-thinking solution for lower bills, grid resilience, and clean back-up power.
rooftop solar panels

Clean Energy and Environmental Justice Win in Massachusetts

A new MA law—informed by UCS analysis and advocacy, including a coalition of environmental justice groups that has convened for years—will speed the local transition to clean energy, and address the unfair burdens of polluting energy infrastructure.
a placard on the EPA building

After UCS Advocacy, >13 Million People Protected By New Ethylene Oxide Regulation

UCS ran an advocacy campaign, including media attention, public comments, and testimony, to pressure the EPA into setting stricter limits on ethylene oxide emissions. The outcome? Far stronger new standards and widespread public health benefits.
A road winding through wind turbines

New Federal Rules to Modernize US Power Grid Cite UCS

Citing UCS research 33 times in their final rule, the Federal Energy Regulatory Commission approved guidelines to improve outdated electricity grids, allowing for more renewable energy and requiring grid operators to plan for climate change.
Smoke coming out of a coal-fired power plant.

New EPA Rules Offer $370 Billion in Climate and Health Benefits

These new rules, informed by UCS analysis, place limits on carbon emissions from new gas plants and existing coal plants. UCS was invited to the announcement of this historic announcement in recognition of our role in helping pass it.
A person being assisted by a car dealer.

7 Billion Tons of Climate Pollution Avoided Thanks to New UCS-backed Vehicle Standards

The newest EPA rules will help prevent an estimated 7.2 billion tons of global warming pollution by 2055—to get there, UCS provided technical feedback, facilitated 14,000+ public comments from supporters, and rallied reinforcement in Congress.
A factory emitting smoke.

More Than 12,000 Chemical Facilities Better Prepared for Disasters

UCS has worked for years to draw attention to weak standards that do not protect workers and adjacent communities from potential chemical plant disasters. A new EPA rule strengthens requirements for such facilities’ preparedness and prevention.