When you're trying to protect an entire planet, it seems pretty silly to leave half of its human

The world mourns the loss of Berta Cáceres, an Indigenous woman who peacefully yet persistently resisted the destruction of waterways in Honduras for mining projects.

These photos reveal the horror of our disposable, consumerist culture and how it's ruining the most beautiful places on Earth.

The kit includes an LED headlight and tail light and a rugged case that attaches a smartphone to the handlebars.

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

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

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

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

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

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.

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

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

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

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

Conservationists are celebrating a British firm's recent pullout from a biofuel project in Kenya that they say would have destroyed the Tana River Delta, a wetland ecosystem crucial for regional wildlife.

An international music festival in the slums of Nairobi is unusual enough. But one that plans to stop a dam and save an indigenous way of life? Let's party.

A public memorial ceremony will be held in NYC for Wangari Maathai on November 14.

A UK offset company launches a world-first partnership to finance Life-Straw water purifiers in Africa.

"The Ministry of Energy has insisted that they need this energy. What we are questioning is—how was the agreement reached, what is the cost of purchasing this power?"

The estimated 80% of Kenyans that are not on a grid rely solely on kerosene to light their homes. But a pay-as-you-go home solar system promises to deliver clean, affordable lighting to rural areas.

The approved measure ups fines from $480 to $120,000, and jail time from 2 years to 15 years.

Al-Shabaab, the al-Qaeda-backed Somali terror group responsible for Saturday's attack in a Nairobi mall, receives significant funding from the illegal poaching. This is why the US sees wildlife trafficking as a national security issue.

Thousands of abandoned flipflops turn up on African shores--Ocean Sole recycles them into something good.

Kenya, Uganda and Tanzania are banding together to combat unlawful timber products and curb deforestation.

This waste-to-resource project not only produces a less smoky and long-burning fire, but could also help improve health and sanitation outcomes.

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

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

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.

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

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

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

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.

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

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

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

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

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.

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

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

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.

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

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

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

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

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

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

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

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.

Masao Yoshida, one of the Fukushima 50 who stayed behind at the earthquake and tsunami-struck power plant after the other employees evacuated, has just died from esophageal cancer.

On Monday (Sunday locally), Japan switched off the last of its operating nuclear reactors and became 100% nuclear-free.