The sharing economy is built more on convenience and the desire to save money than a mission to save the world. But does that matter?

Basalt Regional Library in Colorado is combining the best of both a traditional public library and the ever more popular seed library.

This is probably the most interesting 3D printed house concept we have seen yet.

“The dangerous conditions behind the Kingston disaster were not isolated."

New report shows shocking amounts of coal pollution in U.S. waterways.

The coal industry continues to fight for profits over people, even though coal ash is extremely toxic.

This startup offers tailored volunteering experiences where participants can continue working remotely while abroad, in addition to volunteering their skills in local communities.

The colorful papier-mache cocoons provide a safe haven for bringing baby bees into the world.

A new scientific study could save a whole lot of elephants.

But not so fast, says the Mayor.

Recommendations to eat less meat for environmental reasons won’t be included in the final 2015 dietary guidelines.

It turns out that it's probably beef fat.

Bike lanes carry the shock troops in the never-ending war on the car.

Why not? Everybody else uses them for everything but biking.

A deeper look at Toronto's Bloor Street bike lanes finds more shoppers spending more money.

One of the big NIMBY complaints about wind turbines is the constant blinking lights that make them visible to aircraft. A new sensor system would eliminate the nuisance, lighting the turbines only when planes are approaching.

The Nautilus shell-shaped turbines could fit on rooftops of houses or buildings in urban environments.

A new study says that placing turbines under these high, already-built structures could be an easy way to incorporate wind energy in areas around the world.

Four sizes of micro-turbines, designed to be portable personal wind energy stations, are in the works from Janulus.

No turbine blades in sight.

One of America's fastest growing professions, wind turbine technician, attracts people with a unique set of skills, as demonstrated by climber and composer Jessica Kilroy.

The resin reduces the energy needed to manufacture turbine blades and allows them to be recycled.

There is either a giant contradiction here in Ontario's Prince Edward County or I am missing something.

Even though there has been notable progress, at current poaching rates elephants are still in danger of becoming virtually extinct on the continent.

From campus gardens to intensive recycling, Sierra magazine's annual list gives a tip of the hat to the nation's most sustainable schools.

Rising out of surrounding trees and rock, this playful little area takes its design cues from local bird habitats and the town's skiing traditions.

Another phase of the wonderful Green Lane Project has just been announced, and PeopleForBikes has taken the opportunity to highlight biking and protected bike lane growth in the US through a new video.

New research published in the online journal PLoS ONE demonstrates for the first time that a non-human adult animal species regularly engages in oral sex behavior. While the behavior has

A study of the impact of small residential wind turbine installations on local wildlife populations shows a potential loss of habitat for bats and a steep reduction in activity around the units.

Brazil's economy is growing fast, and it is expected to need an increase of 50% in power generation capacity over the next decade.

For the first time, developing countries outpaced wealthier nations in green energy development.

Nic Marks at The Guardian writes on the importance of seeing happiness as a business and political issue.

Putting money into non-motorized transportation is just the thin edge of the Agenda 21 wedge.

It's the election cycle, and Agenda 21 has become an issue.

This year, we should resolve to walk more. It will keep you healthier and happier.

Greg Lavardera throws another spanner in the works with a rant about the batts

Seniors residence so green and attractive that the government and nonprofits should jump up and say "We built it!"

These eco-friendly decorating tips will make your tree greener than the color of its pine needles.

Today, President Obama signed an Executive Order (E.O.) establishing a Task Force on Climate Preparedness and Resilience.

Transportation has a much bigger impact on urban design than we think.

In many cities, politicians are looking at the world through their windshields.

Both offer a 'dream version' of yourself, but one is far trendier than the other.

After evidence that China violated the treaty intended to protect the earth's ozone layer, the country has leapt into action.

Can the hospitality industry learn something when a French chef with a degree in logistics opens a no waste restaurant in London?

Freshwater shellfish serve as recording devices for fracking wastewater contamination.

Tell me, what is it you plan to do with your one wild and precious life? -- Mary Oliver

This study provides shocking statistics on unsafe motorist behavior, but aims to give urban planners new tools for safer shared roads

It's what we have called dematerialization, as all that is solid melts into apps

Aluminum is replacing plastic to deceive "environmentally conscious consumers" into buying an equally damaging single use container.

With ~30+ new posts on TreeHugger.com each weekday, we understand if you miss a post here and there. To keep you up-to-date, here's what we covered on Wednesday, August 3,