Hearing aids and cataract surgery can slow mental decline, say new studies.

Vegetarians usually have to opt for salads or bean burritos at fast food restaurants. That’s changing as restaurants realize the demand for meatless options.

A threatened species is on the brink of disappearing as pot farms on public land dish out poisoned baits for wildlife.

With Italy facing severe drought conditions, the Vatican has turned off its iconic fountains for the first time in living memory to help save water.

Officials hope the aircraft will help prevent unsafe E. coli counts, which have caused beach closures in the past.

The gender-neutral naming trend is spurred in part by parents who want to avoid assigning gender roles to their children at birth.

With malaria and polio eradication at the top of Gates' to-do list, the Microsoft founder finds fault with Google's focus on tech projects.

The latest, largest study finds talcum powder likely causes little risk for ovarian cancer.

New study takes a closer look at the link between music and sports performance.

Colorado and Washington state have legalized marijuana, and others are considering measures. Test your cannabis knowledge.

Legal cannabis markets are bringing a powerful ally to the fight against marijuana prohibition: The business community.

Find out how this stand-up comedian, writer and entrepreneur found his dream job.

Puerto Rico wants to attract more tourists as part of its post-Maria economic recovery efforts, so don't be afraid to go there.

Midwest EPA office to host forum discussing environmental justice and children's health issues.

Colony collapse disorder is claiming many of North America and Europe's bees. But there are simple things you can do to help keep them buzzing.

'Switched at Birth' stars raise poultry, reveal upcoming storylines.

'Bones' star juggles hit show and eco-conscious motherhood.

Goodies included many Earth-friendly items.

The U.N. summit is going on despite recent terrorist attacks, and it does so with diplomatic momentum as well as a renewed sense of global solidarity.

The new U.N. climate agreement is being called 'a monumental triumph' and 'a turning point for the world.' Here are a few key points to keep in mind.

Metformin, an inexpensive and common diabetes drug, may fight ovarian cancer, according to a new study.

Researchers isolate a gene mutation that might give a strong indication on whether or not a person will develop type 2 diabetes.

New research finds some surprising reasons that people air all of that drama on Facebook.

Love working with yarn? Put your skills to good use by donating your time to one of these nonprofits.

Each day will symbolize one year that Nelson Mandela spent in prison.

Officials anticipate raising big bucks from the sale of lovey-dovey padlocks removed from Paris' bridges.

Making room in your budget for charitable giving will require some adjustments. But if a cause is important to you, it's worth a little extra saving.

Epidiolex is the first marijuana-based drug to earn FDA approval.

As more states legalize cannabis for health treatments, here's a rundown of the science.

Even in Paris, a city with a lot of love for its dogs, public green space has traditionally been off-limits.

Find out what the LEED Green Building Rating System has in common with Shakespeare.

Rarely use your car but keep it around for emergencies? Try a car sharing service.

Personal car-sharing spreads in the U.S., from California to Oregon and, very soon, to a neighborhood near you. The concept of hiring out your own vehicle has p

Avis acquires zipcar, but what does it really mean?

Save money and reduce your carbon footprint when you use one of these 7 apps to organize a carpool or book a carshare ride.

Enterprise is expanding its carsharing services despite a company executive’s dismissal of the need for a separate carsharing industry.

Car2Go is now the world's largest service, with a million members and a new outpost in Brooklyn.

A new report from KPMG sees 500 billion annual miles from people who might have otherwise stayed home.

The City of Lights is for lovers ... and pedestrians, bikers and transit riders.

A ban on gas and diesel cars is the latest in Paris Mayor Anne Hidalgo's ongoing crackdown on air pollution.

Michael Green, champion of lanky, carbon-neutral buildings, sets his sights on the City of Light.

Leave it to Shigeru Ban to breathe ingenious new life into the painfully abundant remains of a major catastrophe.

At GBK gift lounge, the famous get goodies and charities benefit.

From animal welfare to marine protection to climate change, these environmental charities are sure to put your money to good use.

Combating climate change now on the menu for Norway’s armed forces.

Pot growers have traditionally had a negative impact on the environment — but that may be about to change.

France's most visited house of worship, the Notre Dame Cathedral, just seriously slashed its energy bills with the addition of 400 LED lamps.

No window? No problem.

Greenpeace's Detox campaign works to get chemicals out of our clothes — and our environment.

What does real sustainability look like? What's the best way for renters to get in on the efficiency game? What's for supper?