All energy resources
Explainer
Concentrating Solar Power Plants
Concentrating solar power (CSP) systems generate electricity using the sun’s heat.
Explainer
Large-Scale PV
Learn how utility-scale photovoltaic (PV) power plants provide carbon-free electricity.
Explainer
How Solar Panels Work
Solar photovoltaic (PV) panels are based on a high-tech but remarkably simple technology that converts sunlight directly to electricity.
Explainer
Nuclear Power Cost
Nuclear power in the United States has consistently cost far more than expected, with taxpayers and ratepayers forced to pick up the tab.
Video
Electric Cars & Global Warming Emissions
How clean are EVs, really?
Explainer
How Do Plug-in Hybrid Electric Cars Work?
Plug-in hybrid electric vehicles combine a gasoline or diesel engine with an electric motor and a large rechargeable battery.
Explainer
How Biopower Works
Biomass (plant material and animal waste) is the oldest source of renewable energy, used since our ancestors learned the secret of fire.
Report
Lights Out?
Our electricity system is at risk today from coastal flooding. Sea level rise will only make it worse. We must improve our electric grid to prepare for this current and growing threat.
Report
Rating the States on Their Risk of Natural Gas Overreliance
Two-thirds of US states may be putting their electricity consumers at financial risk because of an overreliance on natural gas.
Feature
Oils Aren’t Created Equal
The climate implications of using oil depend on where it comes from.
Explainer
The Solar Resource
Solar energy—power from the sun—is a vast, inexhaustible, and clean resource
Explainer
What is Oil Shale?
Oil shale is a dirty and expensive source of unconventional oil.