A new online investing platform will fund energy-efficiency improvements for churches and nonprofits in poor neighborhoods.

New EPA regulations will clean up the biggest problem with burning wood: pollution and particulates.

And that information isn't as useless as it may seem.

We can't just build better; we have to change the way we live.

And it's potentially more efficient than an LED.

Kitchen exhaust turns out to be a very complicated issue where there is no real consensus.

A UCI scientist accidentally discovered a way to make a rechargeable, lithium-ion battery that could last for 400 years.

Sandwich filling, side dish, and main dish recipes for the slow cooker that will keep you and your home cool this summer.

The era of 900-watt-and-higher vacuum cleaners comes to an end in the European Union due to new efficiency standards.

With California-based OhmConnect, it's easy being green when you're also earning green.

For starters, it's more energy efficient than a standard door that swings.

Landspouts are technically tornadoes, but they originate near the ground and aren't made from supercell thunderstorms.

Summer solstice, the unofficial first day of summer, is the day with the most hours of daylight.

Temperature records across the continent continue to fall as Europe buckles under heat wave. At least seven deaths have been attributed to the heat.

A tiny satellite has recovered from an apparent software glitch in orbit and is on track to deploy its solar sail.

The Planetary Society's tiny LightSail spacecraft has sent a photo of its deployed solar sail down to Earth.

Want to see if your home is a good fit for solar? Project Sunroof offers a decent snapshot from your web browser.

Breakthrough technology that separates the heat of sunlight from the light will help to improve solar cell efficiency.

The iconic hotel is located in Swedish Lapland and was the first of its kind.

At a reservoir outside of Tokyo, water and electricity do indeed mix.

20-acre solar installation near Walt Disney World’s Epcot theme park has begun supplying clean energy this spring.

The annual Bonnaroo Music Festival in Tennessee is the first to install a permanent solar installation to reduce its environmental footprint.

Within a few years, most of the power for Chile's sprawling subway system will come from renewable energy.

Kitschy nostalgia and clean-tech collide along Route 66, America's Mother Road, thanks to Solar Roadways.

As it turns out, the Swedish retailer's rooftop power plants are also the biggest in several other states.

It will indeed, claims newly minted PV shingle magnate Elon Musk.

Wind and solar get an unequal shake in the Equality State.

There are many ways to map an area's sunlight exposure. Here are a few tips to make sure your plants get their moment(s) in the sun.

Utilities from California to North Carolina are preparing for a brief but sharp decrease in solar production during the Great American Eclipse on Aug. 21.

You might be familiar with floating wind turbines, but what about floating solar panels?

A new feature added to Project Sunroof, a free solar mapping tool from Google, makes keeping up with Joneses even easier.

Punta Gorda, a sleepy Gulf Coast getaway north of Fort Myers, shines bright as Babcock Ranch, a solar-powered eco-town, attracts its first residents.

At the 85th Annual Meeting of the United States Conference of Mayors in Miami Beach, leaders pledge to make the switch to 100% renewable energy by 2035.

China has now given a face to its aggressive renewable energy goals — and man, is that face adorable. (It's a panda.)

In the wake of Hurricane Maria, Puerto Rico may turn to Tesla turning disaster into an opportunity to avoid future blackouts.

Eco-conscious Dutch poultry company Kipster wants to revolutionize the egg industry.

Heritage rail and clean tech collide in the Aussie beach town of Byron Bay with the introduction of a solar panel-topped vintage train.

Following a protracted court battle, Six Flags Great Adventure is set to become the world's first theme park that's fully powered by the sun.

Lives would be saved and farmers would enjoy a healthy profit from the switch from tobacco to solar, according to a Michigan Tech-led case study.

More than 100 cities across the globe get 70 percent or more of their energy from renewable sources, according to London-based CDP.

Apple suppliers have committed to clean up their act as well.

British tech startup Seawater Greenhouse makes the impossible feat of growing crops in arid regions possible with the help of plenty of sunshine and saltwater.

California approved new rules that require new homes and low-rise apartment buildings to use solar panels starting in 2020.

The Sahara, one of the largest deserts in the world, could be transformed into a more hospitable place thanks to clean energy.

The 4-acre Chernobyl solar power facility can supply enough power for a medium-sized village, or about 2,000 apartments.

The breakthrough works like a rechargeable battery that is charged by sunlight.

Although a recent renewable energy bill stalled, the hurricane-ravaged territory isn't giving up on its fossil fuel-free aspirations.

District of Columbia lawmakers approve legislation that fast-tracks the city's bold clean energy goals.

When you can't harvest crops, why not harvest the sun?

If you thought the plastic bag waste from a loaf was a big problem, wait till you find out what's even more damaging.