The energy available from sunlight is 10,000 times more than what is needed to supply the world's energy demands. Sunlight has two main properties that are useful in the design of renewable energy systems.

New research finds people may choose not to have children because they do not want to contribute to climate change.

Companies and organizations used a House hearing May 18 to advocate for a larger role in NASA’s Earth science programs, arguing their capabilities can complement NASA spacecraft.

Gov. Newsom has placed most of the state under a drought emergency, which could leave communities struggling with agricultural pollution without drinking water.

Tucson's ambitious tree planting goal aims to improve the health of residents, wildlife, and the watershed.

Through partnerships and exchanges, the community is ensuring that its members have long-term access to their own resources while helping solve broader water supply problems.

Years after a lengthy drought, some southeastern Australia rivers show no signs of recovering.

While it may seem that much of the world has been locked down during the past pandemic year, more than 80 million people are currently on the move – unwillingly.

A global water crisis has companies and cities reusing the condensation from air conditioners to water plants, flush toilets and in one case, brew beer.