Energy Resources

California's 50 percent Renewables Portfolio Standard has positioned the state as a global leader in renewable energy

Terrorists pose a real and significant threat to nuclear power plants.

The U.S. has invested heavily in post-Fukushima nuclear safety—but it remains unclear how effective that investment has been.

Tar sands are an increasingly common—but expensive and dirty—source of oil.

New analysis shows how Illinois can cut global warming emissions and deliver significant economic and health benefits for all its residents.

New analysis from the Union of Concerned Scientists outlines a cost-effective pathway for Minnesota to cut global warming emissions and deliver significant economic and health benefits for all of its residents.

New analysis from the Union of Concerned Scientists outlines a cost-effective pathway for Pennsylvania to cut global warming emissions and deliver significant health and economic benefits for all of its residents.

In 2015, three of the 10 near misses reported at U.S. nuclear reactors occurred at plants owned by one company—Entergy.

This analysis explores the costs associated with future scenarios for the electricity system across the Eastern interconnect, which supplies electricity to 39 states from the Rockies to the Atlantic Ocean.

A robust plan to cut carbon emissions, deliver significant economic benefits for all Virginians, and chart a cost-effective path to a clean energy future.

Rooftop solar has never been more affordable for home owners, business owners, and their communities.