Welcome to almost 30 percent of the world's forest cover.

'How inappropriate to call this planet Earth when it is quite clearly Ocean.' –Arthur C. Clarke

Consumer demand for meat, soy, palm oil, and more has resulted in 60% of primate species facing extinction.

The Amazon rainforest doesn't need prayers, it needs protectors.

The red glowing street lights allow light-shy bats to cross the road.

Meet the primate species that are among the most endangered on the planet, and the most in need of conservation measures.

Among other things, the data reveals answers about the size of blue whales, the largest organisms to have ever lived on Earth.

Residents of the driest inhabited continent, Australia, have evidently been cottoning onto the fact that water means life and we need to be more thoughtful in our use of this rather precious resource. Since the year 2000, Australians have managed to

Dean Kamen is the kind of inventor we don't imagine exists anymore—a fervent polymath like Thomas Edison. Best known as the creator of the Segway, Kamen is also responsible for major breakthroughs in clean energy, water purification, prosthetics,

Droughts and possible water rationing have been in the news recently in California, Israel, Mexico, and Australia. As much of the water used is these regions is for watering gardens and lawns

With his planes, helicopters, and other fuel-hungry pets, Dean Kamen admits that he takes a lot out of the world. This just means that, in keeping with his immigrant grandfather's advice, he has to put more back in. In the second part of our

Having given Global Water Challenge a Best of Green award earlier this year for their innovative work on the issues of drinking water and sanitation, it goes without saying that TreeHugger is a fan of their work.

Here's a frequent question asked by people wanting to create positive sustainable changes in the world: Is it more effective to work as a change agent from inside the current system or is it better to

These low-impact, solar-powered desalination units could be a potential boon to water-scarce coastal communities, disaster-prone areas, as well as local marine life.

Using solar stills to purify water isn't a new idea, but it's an effective one. And now new efforts are underway to use this old technology to help green the desert.

A new desalination technology company is looking to help clean up and recover some of the trillion gallons of salty wastewater from the oil and gas industry.

A new water treatment system could save billions of gallons of water each year by recovering almost all of the waste water at bottling plants and water treatment facilities.

The UAE's clean tech giant plans to have a commerical-scale plant by 2020.

Who says wheat-free can't mean indulgent? Best-selling cookbook author Karen Morgan offers up irresistible (and also vegetarian) main courses, snacks, and desserts.

When an Iowa State professor of mechanical engineering followed his hunch about spider webs, it paid off: he proved biological materials can rival metals in conducting heat.

The iPod of thermostats gets updated with new energy saving features and increased functionality in its mobile apps.

This easy DIY project will save you money and reduce energy consumption by making less work for your air conditioner.

An ice cream cart uses solar panels to power its refrigeration unit.

A new material could be applied to roofs that would soak up rain and then "sweat" out the moisture when temperatures are high to cool down buildings without electricity.

The smart thermostat is now compatible with most home heating and cooling systems in the U.S. and Canada.

A unique solar panel has been designed at Stanford that cools buildings by reflecting sunlight and radiating thermal energy out into space.

Keeping our thermostats programmed at year-round comfortable temperatures could be affecting our health.

It lets them be creative with their cooking and the kind of spaces they set up in.

The technology uses radiative sky cooling to help cool buildings without electricity.

This could keep people from overheating in their wearable electronic outfits or simply in the heat of the ever-warming days

The Center for Food Safety's recently launched network is a bid to preserve global plant biodiversity and work toward food security around the globe.

An event on Lake Tahoe promises "world class minds, radical innovation and kickass rock 'n roll". And solutions to the biodiversity crisis, too.

The secret to a diet that makes the microbes in your gut healthy, for fighting obesity and disease

One-third of emissions reductions needed for 2 degree target could be achieved with better land management.

Britain's Conservative government is expected to announce wide-ranging measures to tackle ocean plastic pollution.

Plastic pollution doesn't just kill fish. It kills people too.

The anti-straw movement is definitely having a moment. Let's hope the momentum continues.

Incredibly, this appears to be the first time the government has really tried to tackle this crucial issue nationwide.

Almost half of the land on Earth is now farmland.

Until now, no species has had such a profound effect on shaping the Earth's biosphere as the humble broiler chicken.

Are we really going to let this happen on our watch?

Serious threats are endangering lightning bugs across the globe; and they are all thanks to humans.

Sometimes shipping container architecture makes perfect sense.

You have heard of "fast fashion." Get ready for fast architecture in container-sized modules.

The promise of prefab was healthy, cost-effective, energy efficient homes designed by talented architects. Is it finally here?

They're designed as temporary living for Malibu fire victims, but nice enough that they might never leave.

With aging baby boomers and young people who can't afford housing, there's going to be a huge market for these.

These flat-packed rest-and-recovery units could take the load off hospitals in a hurry.

Image Source: Preserve Dear Pablo: Does recycling your toothbrush really make a difference? Doesn't mailing it back do more damage than the recycling avoids? It is true that mailing anything has an impact, but is it more than the recycling itself? To

TreeHugger was founded as a sustainable design blog. From Alan Chochinov's 10 steps for sustainable design, through Yves Behar's predictions for sustainable design in 2011, to the