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Explainer
Map of California Renewable Energy Projects
Locations and information for California renewable energy projects, including wind, solar, biomass, and geothermal energy.
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Cleaning Up California’s Freight System
California’s freight system is an integral part of the US economy—but it needs modernization.
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Heavy-Duty Truck Fuel Efficiency
Heavy-duty trucks make up 7 percent of all vehicles on US highways, yet consume more than 25 percent of the oil.
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How Nuclear Power Works
At a basic level, nuclear power is the practice of splitting atoms to boil water, turn turbines, and generate electricity.
Explainer
The Truth about Ethanol
Ethanol is a key ingredient in today's gasoline—but the promise of ethanol as an oil and climate solution depends on how it’s made and what it’s made from.
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Largest Producers of Industrial Carbon Emissions
Learn which fossil fuel companies are most responsible for the heat-trapping carbon emissions that are warming the planet.
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Measuring the Role of Deforestation in Global Warming
Tropical deforestation accounts for about 10 percent of the world's heat-trapping emissions, equivalent to the tailpipe emissions of 600 million average U.S. cars.
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How is Energy Measured?
Understand the basic terminology for how energy is measured in this quick primer from the Union of Concerned Scientists.
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How is Electricity Measured?
Learn the basic terminology for how electricity is measured in this quick primer from the Union of Concerned Scientists.
Explainer
How Wind Energy Works
Harnessing the wind is one of the cleanest, most sustainable ways to generate electricity.
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Preparing for Climate Change Impacts in California
The effects of climate change are apparent throughout California, including higher temperatures, more extreme wildfires, and rising sea levels. Communities must prepare for them.
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Global Warming Skeptic Organizations
A list of prominent global warming skeptic organizations, including examples of their disinformation efforts and funding sources from the fossil fuel industry.