Solar energy

Switching to cleaner, solar energy not only guarantees a lighter conscience but can save homeowners hundreds of dollars on their electricity bill. But slapping a few solar panels on your roof doesn't always mean money saved.

I love overpaying my electricity bill. Said nobody. Ever. It's no secret that solar panels can help reduce your electricity bill and at times, eliminate it. But how much can you really save by installing a home solar system?

Going solar often requires a little legwork ­– like finding a reliable installer or figuring out the financing – though, SunPower makes it simple.

This company is developing materials for streets that can not only turn sunlight into electricity for the grid but also generate their own light and produce heat to melt ice and snow.

Researchers say their SunBOTs are 400 percent more efficient than comparable stationary devices.

An Iowa county has placed wind and solar energy projects on hold until October 2020

The private and public sectors must work together to develop the breakthrough technologies needed for a clean energy transition. Putting a price on carbon is needed because demand drives innovation.

Industry advocates have predicted more job losses are on the way as 30 percent tariff sets in.

The study solves a heated debate among physicists.

The administration said the move benefits American workers and businesses and makes good on Trump's "America First" promises.

Floating solar fuels rig can produce fuel that's currently used in NASA's rockets.

Wind farms in Oklahoma, Iowa and South Dakota will help power Google's global operations.

Smart windows become tinted in the sunlight—which could have twofold benefits.

A new project to fill the 1,000-mile exclusion zone with solar panels is expected to be commissioned next month.

One building already has electricity-generating windows.

These synthetic structures could be made into glass or textiles that could absorb sunlight one day.

If Puerto Rico takes Tesla up on the offer it could stop power outages and save 78 million gallons of fuel per year.

Scientists have built a solar-powered boiler that separates urine from beer.

Ravi Kempaiah is aiming to ride 5,000 miles on an electric bike across the U.S. as part of a world record attempt.

Elon Musk's latest masterplan includes electric bus fleets and self-driving taxis.

The Solar Impulse team successfully landed in California after a 62.5-hour flight from Hawaii.

Ten blue Polycrystalline panels, Ikea said, are enough to power a standard semi-detached house.

National Grid will issue emergency instructions to generators to "power off" plants.

By killing the desert, we save those parts of the world that are not desert—a battle of competing visions that Death Valley Jim is fighting.

The moves are part of Obama's "broader vision" for ameliorating the effects of climate change.

If saving the planet doesn't make you switch to solar, maybe the price will.

The answer, my friend, is far more than we are being told.

The solar-powered plane is attempting a historic journey around the world.

"Climate change is real. The time for talk is passed. The time for action is now."

The California desert is filling up with solar and wind farms the size of cities.