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Mobile Fruit Stands Fight Unemployment and Food Deserts in Chicago

Innovative model brings fresh produce and jobs to areas and people in Chicago that need it most




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Ear Implant Powered by the Ear's "Natural Battery"

Researchers have developed a chip that can run off the low voltage deep within the inner ear.




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Students Build Bike-Powered Charging Station from Scratch

Northern Arizona University student from a range of departments built the charging station piece-by-piece to educate fellow students on the energy used by their gadgets.




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Electrostatic film harvests energy, makes you better at sports

A new wearable sensor technology that measures things like stance and force for sports also has the potential to harvest energy from waves, machinery or human movement.




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Power-generating insole lets you charge your gadgets with your steps

The removable insole that's now on Kickstarter can fit into almost any kind of shoe.




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British scientists power cell phones with urine

The researchers have developed a fuel cell that creates electricity from urine and could be used to power our gadgets.




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Make a hand-crank rechargeable flash light

Sure, you can buy one or you could put your DIY skills to the test and make one with materials you have on hand.




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Merry-go-round turns play into clean power for students in Ghana

A piece of classic playground equipment gets a clean tech makeover.




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Nanogenerator could charge your phone from the vibration of your moving car

Just keeping your phone in your car's console during a drive could charge the battery with this novel tiny generator.




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Wearable electronics could be powered by body heat

A new technology developed by Korean researchers uses ultra-thin, flexible materials to generate electricity from body heat.




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Make your own electricity-generating sneakers

We often write about technologies that harness energy from your steps. Here's how you can make your own piezoelectric sneakers at home.




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What's a 'sticky' street and why do you want one?

We matured our cities around the needs to cars. Now it's time to mature our streets around human, not machine, needs. We are all pedestrians.




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Musical shaker could light the way home for African school kids

Spark is a musical instrument that harvests kinetic energy when it's shaken, storing it in a battery for powering LED lights.




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Cell phones charged by sound are now closer to becoming a reality

Nanotechnology breakthroughs have lead to a successful prototype of a device that could charge your cell phone with ambient noise or the conversations of users.




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Soccer field lights powered by kids' pounding feet

A community soccer field in Rio de Janeiro stays well lit at night thanks to energy harvesting tiles laid under the turf.




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Make a shake flashlight out of a cardboard tube

This quick project makes a useful emergency flashlight while recycling your leftover cardboard.




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Skin patch could power personal devices

The shiny sticker generates energy from movement.




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Teen inventor creates a coffee mug to power your gadgets

The same inventor who brought us the body heat-powered flashlight is at it again.




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Foot-powered washing machine lets you clean your clothes off grid

The small device is perfect for tiny homes or those wanting a convenient, yet electricity-free option.




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MIT has developed a new energy harvesting technology based on small bending movements

Walking and other gentle movements could power the next generation of devices.




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Energy-harvesting wood floors could be the next great green thing in homes and businesses

Could this be even more encouraging than a FitBit to get up and walk around?




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Researchers say they're close to a finger swipe-powered phone

Forget plugging in your phone to charge, soon the battery could stay topped off from swipes and typing.




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The Beau Lake Runabout re-invents the pedal boat

It goes from bland plastic to a thing of beauty.




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How did ancient farmers take over Europe?

Hunter-gatherers used to populate Europe before ancient farmers took over. Scientists are trying to figure out what happened.




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Breathtaking timelapse video shows the beating heart of Hawaii Volcanoes National Park (video)

It was shot from "sea to summit" in Hawaii Volcanoes National Park, one of the most dynamic landscapes on Earth.




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Google Street View coming to Hawaiian hiking trails

Soon you'll be able to see hardened lava flows, rainforests and beaches up close without leaving your house.




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Hawaii molasses spill killing thousands of fish & aquatic life, impact could last years.

On Monday, a molasses pipeline (yes, that's a thing!) leaked 1,400 tons -- 233,000 gallons -- of molasses into Hawaii's Honolulu Harbor and it has turned into a killer mess with no quick solution.




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25,000+ fish killed by Hawaii molasses spill

Last week, 233,000 gallons of molasses spilled into Hawaii's Honolulu Harbor killing thousands of fish, eels, crabs and other aquatic life. And the damage continues to worsen.




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Man charges a LEAF electric car using an Hawaiian volcano! (video)

It's not quite as dramatic as it sounds. It's simply a good demonstration of the power of regenerative braking!




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Photo: Sweet seal takes a roll in the Hawaiian sand

This endangered Hawaiian monk seal was photographed at the Poipu Beach Park in Kauai.




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Yay! Hawaiian monk seal pups are on the up and up

There’s some good news about the endangered Hawaiian monk seal.




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Woman builds Hawaii tiny off-grid vacation home for $11,000 (Video)

Building her first tiny home meant enough financial freedom for this tiny house builder -- enough to build another off-grid tiny vacation home in Hawaii.




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Old buses turned into mobile shelters for Hawaii's homeless

Decommissioned buses are getting a second useful life as mobile shelters for Honolulu's homeless.




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Hawaii’s plastic bag ban goes into effect, but…

On the first of this month, Hawaii became the first state in the U.S. to put a plastic bag ban into effect.




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Solar-powered plane stuck in Hawaii until 2016 because of "irreversible" damage to batteries

There are worse places to be stuck than in Hawaii... I'm starting to think they did it on purpose!




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Hawaii flips switch on Ocean Thermal Energy Conversion plant, harvesting clean energy from the sea

It's the first plant plant of its kind in the states that generates electricity from the temperature differences in the ocean.




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Woman plans a dolphin-assisted birth in Hawaii

Move over, indoor birthing tub. This woman wants to deliver in the Pacific Ocean with dolphins as midwives.




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New documentary contrasts industrial ag with traditional Hawaiian model: ʻĀINA

This short film, while focused on the island of Kauai, highlights the challenges and crises we will all have to face on our island planet.




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LifeEdited: Maui: An introduction

Help Treehugger founder Graham Hill design his compact, off grid, energy positive compound in Maui.




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Hawaiian Licorice Company offers all-natural, mouth-watering flavors

This is candy in its purest form -- certified organic ingredients, zero artificial colors and flavors, no preservatives or GMOs.




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New Hawaiian coral-reef fish named for President Obama

The new species endemic to the marine protected area expanded by Obama was named in honor of his efforts to protect and preserve the natural environment.




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Hawaii wants to ban chemical sunscreens to save its coral reefs

When sunscreen chemicals wash off beach-goers, they bleach coral, stunt its growth, and sometimes kill it outright.




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Tesla supplying solar power to Hawaii all day and all of the night

Solar City and Tesla take the Kinks out of solar power with plenty of PowerPacks




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Hōkūle’a, a traditional Hawaiian deep-sea canoe, has completed round-the-world trip

It took three years, but Hōkūle’a made the impressive journey using only ancient Polynesian navigational methods.




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Honolulu bans pedestrians from “distracted walking”

More pedestrians are getting killed in the roads. Are their phones really the reason?




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Twin modern cabins help nurture a close relationship with nature

Simple, no frills cabin living at its best, right by the ocean.




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Graham Hill and LifeEdited go off-grid in Maui

Since before he started TreeHugger, Graham Hill has delivered the same message: sustainability can be beautiful and fun.




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Hawaii approves sunscreen ban in an effort to save coral reefs

Many sunscreens contain chemicals that are devastating to sensitive coral and other marine life.




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Hawaiian volcano offers gifts of gemstones delivered from the sky

As if to say 'sorry,' Kilauea softens its fury by tossing shimmery green olivine to the humble humans below.




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Here's what you get when a whale and a dolphin mate

A wholphin? A dolphale? Whatever you call it, the first known hybrid between a melon-headed whale and a rough-toothed dolphin is a wonder.