The Union of Concerned Scientists (UCS) and 45 other organizations representing millions of members and supporters nationwide, today sent a letter urging congressional and appropriations committee ...

The Union of Concerned Scientists recently expanded its board of directors to include Vicki Arroyo, Asmeret Asefaw Berhe, ...

When Hurricane Maria slammed into Puerto Rico, knocking out power to millions of homes, a community radio station in Adjuntas kept playing, providing a critical communication lifeline during the ...

Here are 4 clear-cut climate change signals, explained using the latest science: hotter temperatures, more extreme weather, rising seas, and a hotter, more acidic ocean.

For decades, the surface transportation reauthorization (STR) has funded highway expansion projects that have disproportionately divided and polluted communities of color. Communities of color ...

This page represents our work covering attacks on science under previous administrations. Our new tracker, covering attacks on science under the second Trump administration, can be found here. The ...

With the 2026 midterm election on the near horizon, we must do everything we can to safeguard fair elections and protect the right to vote. Learn more about voter registration, making a plan to vote, ...

Tailpipe pollution from commercial trucks and buses has a particularly outsized impact on public health. Trucks contribute to smog and particulate pollution, which cause a host of health problems from ...

New science from the Union of Concerned Scientists directly links coal, oil, and gas companies with worsening forest fires across the western United States. Nearly 20 million acres of burned forest ...

In 2020, more than 3.5 million youth reported having used e-cigarettes in the past 30 days. In 2018, the Surgeon General labeled youth e-cigarette use an “epidemic.” The dramatic rise of adolescent ...