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Eat sea urchins to save the oceans

These spiny little animals are in desperate need of population control, and our sushi habits could help.




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Water on the Brain. We're Learning. Slowly.

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




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Tampa Bay Florida Area Drinks Oil-Fired Water

There isn't much choice, as groundwater reserves are insufficient. But really...is bottled water any worse than this? Four years behind schedule and nearly $80 million over the original budget, the nation's largest sea water desalination facility




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Researchers Develop Chlorine-Tolerant Membrane for Easy Desalination

Record droughts, falling water tables and the rapid depletion of aquifers have helped make desalination, a process once considered impractical and too expensive, a viable technology -- at least in some places. As such, there has been a rash of stories --




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The TH Interview: Gidon Bromberg, Friends of the Earth - Middle East (Part One)

Bromberg, then a young lawyer working for an environmental NGO in Tel Aviv, was frustrated that environmental issues were not




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The TH Interview: Gidon Bromberg, Friends of the Earth - Middle East (Part Two)

In part one of this interview, Gidon discussed FoEME's work in promoting cross-border




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Dean Kamen on Clean Energy, Clean Water, and Commuting in the Mega City (Part One)

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,




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5 Great Rain Barrel Designs, Plus Top Tips for Using Them

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




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Dean Kamen on Clean Energy, Clean Water, and Commuting in the Mega City (Part Two)

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




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DIY Seawater Desalination by Delicious Lady and Grandson (Video)

Directed by David Valero for the Spanish eco-short-films festival La Luciernaga fundida, this video shows how a grandmother and grandson desalinate seawater at home.




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Solar Still Makes Water Purification Easy, Works Like an Upside-Down Coffee Maker

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




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Floating "Solar Cucumbers" Form Artificial Reefs That Desalinate Sea Water (Video)

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.




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Looking Backward to Move Forward: Solar Stills Could be the Low-Cost Leader in Water Desalination

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.




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Wave Energy technology produces both clean water and clean energy

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




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From wave power to clean water: SAROS is a wave-powered desalination system

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.




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Iowa State Spiderman Discovers Super Heat Conducting Properties of Spider Silk

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.




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Nest Adds More Energy Saving Features to Its Smart Thermostat

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




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How to make heat blocking curtains for $6

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




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How to Make a Gorgeous Wooden Desk Fan and Heater

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




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Beat the Heat: Summer Hours, Summer Routines & Siesta

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.




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Ice Cream Cart Keeps Things Cold with Solar Power

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




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18 Ways to Beat the Heat

Labor Day once meant the temperature fell -- but for much of the U.S., that's not looking likely for a few more weeks. Don't let the end-of-summer's unprecedented heat get you down!




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Rooftop Mats Could Let Buildings Sweat to Cool Off

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.




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New Nest Thermostat Has Slimmer Design, Even More Energy-Saving Features

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




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Solar cooling panel could provide AC without electricity by sending heat to outer space

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




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Nest thermostat now helps users avoid peak electricity rates

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




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18 great uses for the glorious box grater

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




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Rooftop cooling system reflects sunlight and sends excess heat out into space

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




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Flexible cooling strip breakthrough for heat removal

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




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New heat pump technology heats and cools houses at lower cost

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




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Creating Equilibrium: What if environmentalists and the tech-crowd actually talked to each other?

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




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Care and feeding of a healthy microbiome

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




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Sir David Attenborough: Oceans under threat "as never before in human history"

The veteran naturalist and broadcaster is not holding back (this time).




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Could development funding help fight ocean plastic pollution?

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




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#2MinuteBeachClean and the power of individual, collective action

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




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UK to set goal of restoring soil health by 2030

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




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Wealthy philanthropists wage war. On cats.

With a $1 million donation, Andrew and Jane Cliffordhope will double the size of the world's largest cat-free sanctuary.




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People eat so much chicken that it's changing the geological record

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




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Kroger to create and adopt a no-deforestation policy

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




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Earthworms lose weight in plastic-filled soil

When the earthworms are in trouble, we all are.




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What's the deal with natural wine?

"Naked wine," "raw wine," "biodynamic wine" have reached a feverish peak among trend-setting oenophiles. But what do all these labels mean, and are they actually better for the environment?




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4 reasons why you shouldn't buy prefab tiny houses on Amazon

Caveat emptor.




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Coming to a backyard near you: Plant Prefab accessory dwelling units

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




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JUPE health is an 'immediate response to hospital overcrowding'

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




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"Peak Fertilizer" To Make Manure A Valuable Commodity

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




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Ask Pablo: Does recycling your toothbrush really make a difference?

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




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Is Sustainable Design Wearing Thin?

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




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Stealing from the Future

The omission of ecological services in economics is the equivalent of double bookkeeping: one set that looks (relatively) rosy for us and another for our children.




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Cradle to Cradle products could be key to a healthy house

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




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Transformable water bottle supports clean drinking water projects

Meet Dopper, a Cradle to Cradle water bottle company that’s bringing clean water to Nepal.