Tucson to resurrect river with recycled water

June 25, 2018, 12:22 p.m. by Lloyd Alter

Many older people put off cataract surgery. Bad plan.

June 25, 2018, 12:08 p.m. by Michael d'Estries

NASA’s Mars Reconnaissance Orbiter captured the colorful anomaly while surveying a 'field of dunes' on the red planet.

June 25, 2018, 11:34 a.m. by Matt Hickman

Visionary artist Christo works his inimitable magic at Hyde Park with 7,501 oil barrels at Hyde Park.

June 25, 2018, 11:14 a.m. by Noel Kirkpatrick

We're getting serious across the globe about reducing the use of plastic bags, utensils and containers.

June 25, 2018, 10:41 a.m. by Guest Columnist

The Ocean Cleanup is ready to launch plastic-eating System 001.

June 25, 2018, 10:35 a.m. by Russell McLendon

U.S. water usage is at a 45-year low, according to a new government report. But is that low enough?

June 25, 2018, 9:15 a.m. by Starre Vartan

Seriously, take a moment even if you're tired, it's definitely worth it.

June 24, 2018, 1:55 p.m. by Noel Kirkpatrick

American swamp sparrows have passed on the same song for generations.

June 24, 2018, 10:08 a.m. by Matt Hickman

It's not every day that a stormwater retention project gets blessed by a priest.

June 23, 2018, 2:20 p.m. by Starre Vartan

New study challenges the idea that your lifelong pursuit is just buried inside you somewhere — but a new mindset can help.

June 23, 2018, 11:09 a.m. by Josh Lew

These 5 strategies may help you beat jet lag and sleepless hotel nights.

June 22, 2018, 2:33 p.m. by Siel Ju

What's the best choice: Organic, local, fair trade or silk?