An unlikely partnership between a utility company and climate activists managed to convert a community to geothermal heating and cooling. Science correspondent Miles O'Brien reports on this project ...

Is a geothermal heat pump worth it? This video explores the efficiency and effectiveness of geothermal (ground source) heat pumps compared to air source systems. Despite the higher upfront cost, ...

Renewable energy is a clean and ecologically sound way to generate electricity that is replenished faster than it is used. The most common forms of renewable energy are hydropower, solar energy, wind ...

Geothermal power offers a stable, continuous source of renewable energy that could help power millions of homes while reducing dependence on fossil fuels. As governments worldwide pursue ...