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Explainer

Natural Gas Flaring, Processing, and Transportation
This comprehensive overview explains how and why natural gas is flared and processed for use, and the methods and risks associated with transporting natural gas in the U.S. and around the world.
Explainer

Uses of Natural Gas
This comprehensive overview details the many uses of natural gas, including electricity generation, heating, and industrial uses.
Explainer

Shale Gas and Other Sources of Natural Gas
This comprehensive overview explains the basics of unconventional sources of natural gas, including shale gas, tight gas sandstone, coalbed methane, methane hydrates, and biogenic gas.
Explainer

All About Oil
Oil is changing—and its impacts are becoming more severe.
Explainer

How the Electricity Grid Works
Learn how electricity gets from power plants to your house. An overview of the electricity grid, including its primary components, history, and future opportunities.
Explainer

Production Tax Credit for Renewable Energy
The Production Tax Credit (PTC) is a federal incentive that provides financial support for the first ten years of a renewable energy facility's operation.
Explainer

What Are Satellites Used For?
From television and telephones to safety and science, we use satellites every minute of every day.
Explainer

Fracking: Science, Policy, and People
Communities need science to help them weigh risks and benefits of unconventional oil and gas extraction.
Explainer

Groundwater and Global Warming in the Western US
Learn how global warming is affecting the timing and availability of water resources in the western US.
Explainer

How Geothermal Energy Works
Learn how heat from the Earth is converted into electricity in this comprehensive overview, including a discussion of the geothermal resource, its environmental and societal impacts, and its potential for future expansion.
Explainer

How Hydroelectric Energy Works
Learn how moving water is converted into electricity in this comprehensive overview, including a discussion of the hydropower resource, its environmental and societal impacts, and the potential for future expansion of hydroelectic energy.
Explainer

What is Hair-Trigger Alert?
Hundreds of US nuclear warheads are kept ready to launch within minutes—making us less safe, not safer.