Mara Salazar

Kicking off our Earth Week series with a look back at the history of Earth Day and why we celebrate our planet each April.

By using food waste, Oakland's East Bay Municipal Utility District is creating sustainable biogas to power their plant.

A neighborhood in Arizona is America's first community purposefully built to be car free.

Los Angeles is aiming to host a sustainable 2028 Olympics with clean transportation projects across the city.

Wishing everyone a happy Earth Day this April 22 — a day to celebrate and protect the planet we call home.

Wildlife crossings are being planned and built across a massive area in North America to let animals safely cross highways.

A sign for hope: monarch butterfly populations have grown by 64% in 2026 thanks to forest conservation efforts.

An in-depth interview with science teacher and former water tester Magali Lopez-Herrera about environmental careers, water testing, and why understanding our waterways matters.

A behind-the-scenes tour of the Western Riverside County Regional Wastewater Authority Treatment Plant reveals the vital process of cleaning our water supply.

How our good intentions at the recycling bin may be doing more harm than good, and what we can do about it.

Texas, known for oil and gas, may have untapped potential in geothermal energy that could transform the state's energy landscape.

An analysis of recent wetlands policy changes and their implications for environmental protection in the United States.