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.

This novel wave energy technology can deliver large volumes of high pressure water ashore for desalination or power production (or both).

By combining solar PV, solar thermal, and a heat exchanger, Desolenator has developed a low-cost portable water purifier and desalination device powered by renewable energy.

This system could produce 3,500 gallons of clean water per day, at half the cost of current desalination methods, using just the motion of the waves to power the Reverse Osmosis process.

The latest episode of Fully Charged appears to come to us from the future. Or, maybe just Australia...

A proposed office uses "climatic architecture" to cool the building by making it into a natural wind tunnel.

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.

Google's St. Ghislain, Belgium data center is its most efficient thanks in part to letting the server areas run at temperatures up to 95 degrees.

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

What if the Google Street View car took thermal energy scans of all the country's buildings and then built a database of building energy efficiency information? That's the concept behind startup company Essess's approach to home energy audits.

As the mercury rises, staying cool becomes a real challenge. Try making this gorgeous desk fan to keep your energy costs down.

With the first heatwave of the summer behind us, let's start thinking about how we can adapt ourselves to the heat, rather than just complaining about it or pushing it away via air conditioning.

At the tech company's New Mexico data center, it found that oil-submerged servers require far less energy for cooling and actually perform better.

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

The smart thermostat will help people save even more money and help utilities curb peak demand loads.

From making homemade pasta and bread crumbs to cauliflower rice and so much more, the humble box grater is a genius, multi-talented workhorse.

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 might be one of the smartest ways to use a smart thermostat.

The smartest features of a smart thermostat may actually be the pretty simple.

The dual source heat pump uses either the ground or the air as a heat source.

Octogenarian couple united by a love of entomology

From brilliant pink lady katydids to devil-faced orchids, this year's list of new-to-science wonders proves Mother Nature is full of surprises.

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

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.

The largest grocery chain in the US will develop and implement a new plan to improve its protection of tropical forests.

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

Entice butterflies to stay, eat, mate and lay eggs in your garden with these plants and tips.

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

The company explains why all-electric homes are healthier, safer, and more sustainable.

Caveat emptor.

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

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.

Eco-architect extraordinaire Michelle Kaufmann speaks with Adam Werbach about coral bleaching and youth-powered activism in this TreeHugger exclusive from West Coast Green.

Eco-architect Michelle Kaufmann talks to Eric Corey Freed about his book Green Building for Dummies, disco balls and the death of Pergo floors in this TreeHugger exclusive from West Coast Green. Eric is the principal architect at organicARCHITECT, and

Eco-architect Michelle Kaufmann speaks with Prudence Ferreira about the three criteria for Passivhaus certification. Prudence is the founder of Integral Impact Inc, a green building firm with a strong focus on zero energy buildings. As the president of

Michelle Kaufmann speaks with Michael M. Wheeler about government messaging in this TreeHugger exclusive from West Coast Green. Michael is currently the Energy Adviser to California Commissioner Dian Grueneich, he has also worked for the EPA and the DOE

Eco-architect extraordinaire Michelle Kaufmann interviews Barry Hooper from SFEnvironment about government policy for new and existing buildings in San Francisco in this TreeHugger exclusive from West Coast Green. Barry Hooper collaborates with design

Eco-architect extraordinaire Michelle Kaufmann speaks with Peter Yost from BuildingGreen about working with Lawrence Berkeley National Labs on energy efficient window treatments in this TreeHugger exclusive from West Coast Green. Peter Yost has been

Eco-architect extraordinaire Michelle Kaufmann speaks with Hunter Lovins from Natural Capitalism Solutions in this TreeHugger exclusive from West Coast Green. Hunter is a professor, speaker and author on changing the conversation around business to

West Coast Green was this past week here in San Francisco, California. With speakers like Van Jones, Arianna Huffington and Michelle Kaufmann, the trade show was a nexus for greenies far and wide. Michelle Kaufmann was

Last month, Catalan TV3 just aired a new documentary called "comprar, llençar, comprar", meaning "to buy, to throw away, to buy" in Catalan, right on time for the christmas shopping and the winter sales which started this week. You can now watch the

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