Dave Cooke is a senior vehicles analyst in the Clean Transportation Program, specializing in both light- and heavy-duty fuel economy. He conducts research on fuel efficiency technologies and the ...

Electric vehicles (EVs) powered by lithium-ion batteries have become the preferred alternative to gasoline vehicles, and they ...

Below is the text of the Faculty Statement written at the Massachusetts Institute of Technology in December 1968. This document was originally signed by 50 senior faculty members, including the heads ...

Today, the Biden administration announced its updated target for reducing U.S. global warming emissions under the Paris ...

Working to transform the US food system through research, analysis, advocacy, and collaboration. The Food and Environment Program at the Union of Concerned Scientists is a team of scientists, analysts ...

Roughly 9,500 nuclear weapons are hidden away in bunkers and missile siloes, stored in warehouses, at airfields and naval bases, and carried by dozens of submarines across the world. A single warhead ...

The UCS Science Fellows Program brings scientists and scholars to UCS to work on innovative and forward-looking projects. The UCS Science Fellows Program brings scientists and scholars to UCS to work ...

The continued production and use of fossil fuels threatens our climate, public health, and human rights. A fossil fuel phaseout is necessary to build a healthier, safer, and more just world, and any ...

Nuclear weapons are still here—and they’re still an existential risk. Nine countries possess nuclear weapons: the United States, Russia, France, China, the United Kingdom, Pakistan, India, Israel, and ...

The energy business is one of the largest industries in the world. Major fossil fuel companies routinely make billion-dollar profits, extracting and distributing oil, gas, and coal. Unfortunately, ...

Western states are the laboratory for cutting-edge climate policy—and we’re the lead scientist. Western states are the laboratory for cutting-edge climate policy—and we’re the lead scientist.