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

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

This simple, innovative solar still purifies water without electricity or filters.

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.

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.

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

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.

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.

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

Using an age-old method to cool the air, this terracotta "cold pot" could be an energy-efficient and low-maintenance alternative to conventional air conditioners.

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

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

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.

This ancient method is simple and cheap.

Octogenarian couple united by a love of entomology

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.

You are not alone. Even when you are...

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

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

Is this really how it ends?

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

To end new zoonotic diseases like coronavirus (COVID-19), humans need to start staying in their lanes.

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?

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

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

Synthetic fertilizer is likely to become significantly more costly for US farmers. This trend will make manure a valuable commodity once again (as it was prior to the 1950s). There are two main reasons for the

This is probably one of the most beautiful and awesome ads I have ever come across, thanks to Frame and Form. Watch the Xylophone of the Forest, and before you shrug it off because trees might have been killed for the making of this clip, hear me

Even if the label of "maven" is painfully over-applied, there are people who still deserve it. Zem Joaquin, the stylish polymath behind Ecofabulous.com, is one of those few. Zem has been on the editorial side of mags like House and Garden, Domino, and

A biodegradable show for (almost) all occasions. A cradle to cradle design inspired by ancient Amazon inhabitants. Lightweight, compact and multi-use- it's up to you what you do with it as long as you make sure you compost it at the end of its life.

These days when your coffe machine breaks, it is usually cheaper and less hassle to just buy a new one. I was therefore pleasantly surprised about the repairability of my Presso coffee maker, which still keeps serving me off the grid!

C2C products were featured in the Unity Home seen at Greenbuild.

Watering problems are the leading cause of poor health for houseplants; here’s how to give them what they need.

You'll be surprised at the decorative potential contained within the recycling bin.