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

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.

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.

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

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

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?

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

It goes from bland plastic to a thing of beauty.

The city council has begun installing solar-powered lights around the streets of downtown Nairobi.

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

From record investments in energy investments made by US states, to East Africa's largest wind power project, Chicago's smart gridization, to Chevron's huge fine being upheld, here's what we're reading today.

Now in its sixth day, the forest fire threatens critical habitats and precious water sources.

"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?"

Fresh Cargo's new fair-trade Maasai Treads line combines locally sourced and recycled materials with indigenous sandal-making skills to create footwear that make a stylish, sustainable statement.

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

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

A new report calls for international collaboration to fight the crime organizations behind the illegal trade in wood and wildlife.

Flying can be a divisive topic when it comes to curbing emissions, but airplanes have other environmental impacts too.

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.

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

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

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.

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

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.

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

Tons of jellyfish clog a water intake pipe at the Oskarshamn power plant in Sweden, forcing operators to shut down the reactor.

We still need a ton more renewable energy in order to combat climate change, but the good news is that renewable energy is picking up the pace.

MIT design cuts fusion reactor down to a size that would be more cost effective and could be built in five years

Mushrooms and game meat in European regions where Chernobyl fallout was most intense still have excess radiation, but Burgundy truffles get the green light; foodies rejoice.

Eben Weiss, the Bike Snob, is an unexpected source for this proposal to save the environment.

Researchers found that listening to the song was as good as midazolam in relieving anxiety before regional anaesthesia.

And put away your phone if you are on vacation.

Also a look at smart phones for boomers and for refugees, and making the Raspberry Pi higher.

A look at our favorite posts from our sister site.

and really, are Christmas lights screwing up your Wi-Fi?

And more blaming the millennials, robots and boomers and kitchens are exhuasting.

Why are our cities being designed around the needs of the trucks instead of vice versa?

And dancing robots!

From mislabelling to plastic contamination, eating fish isn't as safe or healthy as most diners would like to believe.

These coolest of sea creatures know what they're doing.

Why does this not surprise me?

Tangled in fishing line with things looking grim, the story of Frito's rescue is inspiring all around.

Company higher-ups sold stocks while telling investors that everything was fine.