Actor and environmentalist says President stood up to Big Oil by delaying project and calling for more environmental reviews.

With the 1,700-mile oil pipeline now likely on hold until 2013, here's a roundup of reactions from 10 people closely involved in the debate.

A nonbinding resolution calls for meatless options to be offered.

Study finds you may be better off moving your workout indoors.

Why aren't women counted in most exercise studies? Their periods tend to mess up the data.

Kids make the best workout buddies. Here's how adults can tailor their exercise routines to a child's abilities.

New research out of Australia unlocks clues about how your body responds to exercise at the cellular level.

Balance is tied to both strength and overall physical health, here are some exercises for any fitness level.

The benefits of cumulative exercise are well-documented. Here's how to get your exercise, 10 minutes at a time.

Eating less is more important than exercise if you want to lose weight.

These half-dozen exercises will help you shed pounds if obesity is in your genes.

The fitter you are, the stronger your brain will be as you age, which can help increase joy and improve cognitive function.

Sweden is to thank (go figure) for a hot new lifestyle trend known as plogging that encourages participants to beautify cities while burning calories.

The granola guru John Mackey has a new book and is once again making waves with his outspoken views.

Researchers put running, weightlifting and interval training to the test to see which one was best for the brain.

Proper exercise may lengthen telomeres, which are linked to longevity.

Reality can never be perfectly simulated if you take into consideration quantum complexity.

Apple is defending its decision to have its products removed from the EPEAT environmental standards certification program. Speaking to The Loop, Apple spokesper

Following a 3-week stint, the very big bunnies will hop to other cities.

This gratitude project is simple, quick, creative and you probably have everything you need to participate in your pocket already.

Complaints of sidewalk excrement have become so frequent that the city has established a team dedicated to clearing away number twos.

Critics of the Via Verde project in Mexico City argue that making a busy beltway more aesthetically pleasing only encourages motorists to keep driving.

The U.S. Green Building Council's annual conference and expo will be held in San Francisco, California.

This California hotel that our food blogger stayed goes beyond LEED certification in its sustainability initiatives.

This isn't your grandfather's vegetation-topped, solar-powered, vegan pulled pork sandwich-selling football stadium.

The palatial Beaux-Arts beauty completed in 1915 is named the oldest LEED Platinum building.

Feel free to leave your heart in San Francisco, but don't forget to drop those old boxer shorts and blouses in one of the city's new textile recycling bins.

Don't just sit at your desk. Find ways to get up and move throughout the day.

California's City By the Bay has dramatically cut greenhouse gas emissions by switching to a mostly hybrid taxi fleet. It's a model for the rest of the country.

Scientists at the world's largest particle accelerator announced today (Dec. 13) that they'd narrowed down the possibilities for the existence of the elusive Hi

Physicists love the Higgs boson, but they hate the God particle. The elusive Higgs particle, which scientists at the Large Hadron Collider (LHC) particle accele

A new study tracks more than 200 narcissists from the age of 18 to 41.

Going for the guzzlers when oil prices are cyclical simply isn't smart.

You've heard of cat cafes, but this might be taking things too far...

Health and loneliness are intimately connected and you have to work on both.

An ongoing look at how the attitudes of financial decision makers in the US are evolving during the COVID-19 pandemic.

An ongoing look at how the attitudes of financial decision makers in the UK are evolving during the COVID-19 pandemic.

An ongoing look at how the attitudes of financial decision makers in China are evolving during the COVID-19 pandemic.

An ongoing look at how the attitudes of financial decision makers in Italy are evolving during the COVID-19 pandemic.

Most of my life I’ve preferred solo running. But now that I’ve reached a certain age, I’m looking for accountability, community and friendship.

Sabrina Gonzalez Pasterski, who built and flew her own plane at 14, just earned a Ph.D. from Harvard and she's proof of the growing power of the STEM push.

The former V.P. says global warming doubters will one day be seen similarly to racists, and urges people who support emissions cuts to 'win the conversation.'

Just one exercise session increases the antioxidant that could help prevent a deadly side effect of COVID-19.

Theory explains many of the bizarre observations made in quantum mechanics.

If the results can be replicated, 'this would be a no-brainer Nobel Prize,' according to one researcher.

The groundbreaking quantum experiment could allow us to build things on the atomic level.

The 1970s Swiss fitness creation called vitaparcour is back and more popular than ever.

With newly passed legislation, San Francisco is now the largest city in the country to not require a minimum number of parking spaces for new developments.

A growing body of research suggests exercise can provide a powerful buffer against anxiety and depression.

So, you've decided to lose weight. You're changing your eating habits, you began to exercise... But do you know what the most difficult part is? It's ability to stay on track. Here are few tips that will help you to stay on track.