The '99 Days of Freedom' project has launched an experiment promoting happiness by helping users give up the social networking site.

Have you noticed a plethora of puppies on your Facebook page? This is why people are posting them.

Need to get friends and family off your back? There's an app for that.

Mom posts open invite on Facebook and receives a 'Reddit hug' from the online community.

Man's Facebook plea goes viral as people from around the globe help stock boy's shelves.

Bill Clinton is behind a home weatherization variation of the cash for clunkers program that he hopes will give the sagging economy -- and the environment -- a

Cash for Caulkers. The legislation commonly known as Cash for Caulkers is a proposal set forth by the Obama Administration with two simple goals.

New federal legislation called "cash for caulkers," would offer financial incentives of up to $8,000 for energy efficient home improvements.

The U.S. Department of Energy has awarded $29 million in Recovery Act funding for weatherization training centers in 27 states.

Chanie Kirschner's house looks like one of those plastic-wrapped gifts. (Well, on the inside windows, anyway.)

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.

Hanan al-Hroub honored with $1 million prize for assisting children exposed to violence.

The job satisfaction of working for a nonprofit is worth an extra $40,000 per year, British study finds.

As a partnership with a nonprofit that provides shelter to homeless families goes to show, Amazon's takeover of downtown Seattle isn't without altruism.

Stockton is set to become the first city in the U.S. to experiment with providing a universal basic income to some low-income families.

A decade-long search for alien life called the Breakthrough LiBillionaire Yuri Milner pledges to fund a decade-long search for intelligent life.

Many organizations are accepting donations for California wildfire victims and first responders, making it easy for you to help.

Philanthropist Marcus Lemonis is offering work at his Camping World stories and access to an army of volunteers to national parks in need.

Tim Sweeney, founder of Epic Games and "Fortnite," is using the popularity of his virtual worlds to make a big impact in his home state of North Carolina.

This 12-year program in Finland inspires troubled kids to reach for their dreams.

Video: Rock star Bryan Adams chats about his Canadian homeland and what they're doing to stave off deforestation.

A small clinical trial suggests that suramin can reverse some autism symptoms with one dose, based on the theory of cell danger response.

Stunning 3-D videos capture the drama of life on a subcellular level.

On the way to a palliative care facility, cancer patient Ron McCartney had one request: a caramel sundae.

Groundbreaking case was the first to link the product with terminal cancer.

Breakthrough vaccine technique makes you immune to all forms of the flu virus.

Sierra Club claims success after year-long 'Clean up Dynergy' campaign

On Monday thousands of Americans will march the streets of Washington, DC to protest against coal and the damage it causes our environment and society.

Coal has made Duke Energy wealthy, yet the company's CEO admits it can be dangerous. Will he solve the problem?

The EPA announced a plan to tighten up rules governing the environmentally destructive practice of mountaintop removal mining.

Clean coal lobbyist forges 12 letters to trick House members into voting 'No' on ACES.

New analysis of basalt rock formations on the Eastern Seaboard of the U.S. reveals the possibility of cleaner coal.

Margaret Palmer, professor of biology at the University of Maryland Center for Environmental Studies, believes there's a better way to mine for coal than blowin

In an effort to combat pollution, China is building 'forest cities' and people will be moving into the first one in about 2 years.

The New York City Department of Sanitation launches the BetterBin design competition in search of revamped litter receptacles.

Despite an uptick in public spending, 30% of city residents live more than a 10-minute walk from the nearest park, according to the 2018 City Park Facts report.

Plucking litter from canals while sightseeing is one of the more singular ways to spend a couple hours in the Dutch city.

Perfect for blustery apartment balconies, the student-designed O-Wind Turbine is a national winner of the James Dyson Award.

Located on the Mississippi Flyway, Chicago is one of the deadliest American cities for migrating birds. But the Windy City is trying to change that statistic.

Go green or get left behind. That's the message many hotel owners are hearing as they watch their competitors slash operating costs, gain respect in the communi

Project Haiti Orphanage and Children's Center will provide a safe and healthy home for Haitian children.

USGBC founder David Gottfried is selling his Oakland bungalow which, at the time of its completion, was the highest scoring LEED-certified home in the country.

Buried in the 500-plus pages of the defense budget signed by President Obama on Dec. 31 is a curious provision that prohibits the Department of Defense from spe

In response to the rapidly expanding green home building market, the USGBC teams up with Home Depot to launch a database of LEED-qualifying products ranging fro

The U.S. Green Building Council announces that a not-too-shabby 20,000 residential building projects have been bestowed with LEED for Homes certification and t

Study reveals that green certified homes are valued 9% higher than comparable properties.

If it meets the goal, the Exploratorium in San Francisco will be the largest net-zero energy use museum in the nation.

With the U.S. Green Building Council's Greenbuild International Conference and Expo about to kick off in San Francisco, the organization announces the recipient

The Hawks and Philips Arena have purchased enough clean energy to power the facility for the 2012-2013 basketball season.