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

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.

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.

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.

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're a fan of humanely raised, sustainable beef, you may want to become a 'steakholder.'

Go ahead and drink wine from a can this summer, but remember: It's not fine wine; it's fun wine.

In the 2 years since the U.K. imposed a 5-pence fee, about a third of shoppers still use plastic bags. What price would change your habits?

As Harvey's floodwaters recede in Houston, Red Hook in Brooklyn, braces for the next big storm.

Swale, a barge repurposed into a 'floating food forest,' lets people pick and eat produce for free.

Just think of Indiana-based startup Try It Tiny as the Airbnb of tiny house-friendly land rentals.

Using satellite data and machine learning, researchers have mapped the movements of over 70,000 industrial fishing vessels.

The creators of the original Flow Hive are back with a new model.

Beef and farmed catfish aren't great on the environment, but wild-caught fish and farmed shellfish have low environmental impacts.

These 3 changes in your paper towel, zipper bag and plastic bag habits will get you started on your way to using fewer of these products.

You can reduce the amount of waste you create without much effort.

Paper receipts are full of problems, not the least of which is BPA. But there are now many digital options for getting and storing them that make life easier.

Voters in the Gulf states favor candidates who will focus on restoration of the coastline -- especially those at the federal level.

Was the Gulf oil spill actually good for the region's economy? Maybe in the short-term—but the Gulf needs a long-term restoration economy, says Conservancy sc

Feature-length film to serve as an archive of the disaster, will only be shown internally.

GM will be repurposing 100 miles of oil-soaked plastic boom from the Gulf oil spill into plastic parts for the Chevy Volt.

President Obama’s oil spill commission has released its final report on the disaster, and those who put the analysis together certainly had a few interesting

An Atlanta jeweler upcycles tarballs picked up from the beaches of Louisiana's Grand Isle into eco-friendly jewelry.

A new report provides a possible scapegoat for BP in last year’s oil spill. Investigators say the blame for the disaster does not lie with BP but instead with

On the one-year anniversary of the Deepwater Horizon oil spill in the Gulf of Mexico, Louisiana Governor Bobby Jindal tells TODAY that there's still work to be

Chesapeake Energy, which has one of the largest natural gas recovery operations in the country, halts all fracking in the state after a spill on the eve of the

Ambitious, ill-prepared petroleum industry eyes the Gulf, the Arctic, the heartland.

It's been a little more than a year since the Gulf oil spill. Jeff Corwin visits the Breton Wildlife Center in Louisiana to see how some of the pelicans affecte

Journalist Kate Sheppard covers the world of climate change, politics and energy for Mother Jones magazine.

From pipelines and wind power to Brazil and the EPA, Newt Gingrich devoted a lot of time to energy policy during a camping stop.

Using a sample from the very riser pipe that the plume escaped from, Woods Hole Oceanographic Institution chemist Christopher Reddy and his team ascertained tha

There have been thousands of oil spills in the Gulf of Mexico in the year since BP's massive oil spill. We shouldn't be surprised.

Five rousing books that sound a rallying cry to think about and work toward environmental solutions in fresh, new ways.

Filmmakers Josh and Rebecca Harrell Tickell used their cameras to expose the ugly truth about the spill, when it became clear that the problems are ongoing and

What's your interpretation of this bizarre painting found on the news sharing site Reddit?

Nearly two years after the Deepwater Horizon disaster gushed millions of barrels of oil into the Gulf of Mexico, tar balls from the spill still turn up on Alaba

The predicted size of this year's dead zone in the Gulf of Mexico depends on whom you ask. One forecast model predicts an unusually small area of oxygen-deplete

More than 12 miles of Louisiana coast have been closed to fishing following the discovery of tar balls and other toxins.