President Joe Biden has promised to veto Republican-led legislation blocking the “waters of the United States” rule.

The chemicals, known as PFAS, have been linked to health problems including certain cancers, liver damage and low birth weight.

The spy balloon is believed to be just latest of Chinese surveillance airships that crossed air spaces of the U.S. and dozens of other countries.

Arizona, California, Colorado, Nevada, New Mexico, Utah and Wyoming did not reach a deal to voluntarily cut their water usage from the drought-stricken river.

Desalination plants can be costly and energy-intensive, and are difficult to manage in an environmentally friendly way, according to water policy experts.

The EPA has issued a rule that defines which types of waterways in the U.S. will receive federal water quality protections under the 1972 Clean Water Act.

Fernando Gonzalez helps people learn about conservation efforts as a water operator in Calabasas, Calif.

Liquid Death CEO and founder Mike Cessario spent years figuring out how to make water cool. Now his brand is valued at $700 million.

Projects looking to desalinate water in a sustainable way will become increasingly important in the years ahead.