Heavy duty trucks and smaller cars stuck in traffic.

Cleaner Air in California as Trucks Rule Passes

UCS analysis and advocacy helped shape, strengthen, and pass a CA rule requiring large fleets of commercial trucks, delivery vans, and buses to transition to zero-emission vehicles by 2036—a huge win for cleaner air and reducing global warming emissions.
A USDA scientist inspects grains.

Decades of UCS Work Reflected in White House Guidance

The White House’s Office of Science and Technology Policy issued a landmark framework for scientific integrity that will protect federal science from undue political interference—guidance that reflects decades of UCS research and advocacy.
A power plant.

Years of UCS Advocacy Pay Off with Historic MA Climate Bill

A robust climate bill is now law in Massachusetts, after a lengthy UCS campaign that showed its benefits for people and the economy. The law will help reduce emissions from power plants and vehicles, improving public health.
An aerial view of cars driving over the Golden Gate bridge.

CA Vehicle Standards Go Further to Reduce Pollution, Fight Climate Change

California adopted a new set of standards requiring automakers to sell more zero-emissions vehicles (ZEV), including a target of 100% ZEV by 2035. UCS analysis and advocacy helped strengthen these pollution-reducing standards from less ambitious targets.
A truck drives through flooded water.

UCS Successfully Advocates for US Loss and Damage Financing

At COP27 this year, countries agreed for the first time to finance a fund compensating vulnerable nations for climate-related loss and damage—a measure UCS advocated for via a joint letter from 143 organizations, and 10,000+ emails from UCS supporters.