A Princess's Plan to Bring Light to the 620 Million Africans Without Power

Many people living in Africa need electricity, but don’t have it. Luckily, something of a solar power revolution is afoot in Africa, triggering a wave of innovation from solar energy entrepreneurs. One of them is a princess descended from an ancient Mossi warrior, who stresses that the best way to combat this problem… »10/07/15 10:00amYesterday 10:00am

Abandoned Golf Courses Are Being Transformed into Solar Farms

Golf is a dying sport, and country club memberships are seen as an elitist relic of the past. But cultural changes are only one reason golf courses are falling out of favor: The chemical-laden, water-guzzling greens are especially irresponsible for areas hit by drought. Here’s an idea from Japan for those sunny green… »7/07/15 3:02pm7/07/15 3:02pm

Everything You Need to Know About Tesla's New Household Batteries

Tesla unveiled a new product line at its design studio in LA tonight. It’s called Tesla Energy and it’s a suite of batteries for homes and for businesses. The existence of the batteries has been one of the worst kept secrets of all time. But we are here at the announcement event and finally have some details. And… »5/01/15 9:15am5/01/15 9:15am

California Farmers Without Water Are Installing Solar Panels Instead

Due to the unprecedented drought, many of California’s farmers won’t be allocated any water this year, thanks to the way that the state’s water rights work. But what actually happens to the farms that don’t get water? Some of the farmers are ditching produce altogether for a more profitable alternative to… »4/27/15 6:49pm4/27/15 6:49pm

Apple Just Spent an Incredible Amount of Money on Solar Power

$848 million. That's the amount of cash Apple is spending on what Bloomberg calls "the biggest commercial solar deal EVER." That may seem like a crap ton of money to us, it's still less than a percent of the $178 billion in cash Apple—aka the 55th richest country in the world—has on hand right now. »2/11/15 4:15pm2/11/15 4:15pm

Satellite Dishes Can Turn Toxic Waste From Fracking Into Clean Water

In the past few years, earthquakes in Oklahoma have been on the mysterious rise—the state has had more earthquakes than even California. Why? One big fat finger has been pointed at fracking, in which toxic wastewater is injected into wells that can leak and lubricate faults. We clearly need a better solution for this… »10/27/14 3:45pm10/27/14 3:45pm

Automatic Skyscraper Shades Bend and Fold to Keep You Comfy

It's the very worst part of working in a giant climate-controlled building: Depending on the time of day, half of the offices end up roasting while the others freeze to death. How about a smart skyscraper skin that adjusts window by window based on the angle of the sun, saving energy and allowing workers to control… »8/11/14 5:15pm8/11/14 5:15pm

President Obama Pitched Solar Power At a Silicon Valley Walmart Today

Today President Obama continued his tour of California with a stop in a somewhat unlikely place: Walmart. The company has pledged to double the number of solar projects at its stores and distribution centers by 2020, and the president used the Walmart in Mountain View, California as a backdrop to discuss the… »5/09/14 2:00pm5/09/14 2:00pm

The Smartest Place To Build Solar Farms? Toxic Superfund Sites

The largest solar farm in the U.S. finally got cooking this year, but not without reports of singed wildlife and displaced tortoises. It turns out that both thermal solar farms and other types of solar plants can harm the environment in unforeseen ways. But what if we limited these farms to areas where no plants… »4/10/14 4:20pm4/10/14 4:20pm