Report
The Nuclear Power Dilemma
More than one-third of US nuclear plants are unprofitable or scheduled to close. If they’re replaced by natural gas, emissions will rise—with serious consequences for the climate.
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Driving Towards a Clean Grid
Integrating bidirectional vehicles into California's grid can reduce the projected costs needed for reaching the state's clean energy goals.
Report
Power After the Storm
As climate change can exacerbate extreme events the need for science-based, proactive grid modernization is more pressing than ever.
Video
UCS: What We Do
Breathtaking imagery from photographer Daniel Beltrá showcases the range of issues that UCS works on.
Explainer
How Do Hybrid Cars and Trucks Work?
Hybrids use an internal combustion engine—and can be fueled like normal cars—but also have an electric motor and battery.