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Bill Gates is backing a technology that concentrates sunlight to generate temperatures of 1,000 degrees. It looks like a mosaic of mirrors.

The mirrors are part of a facility run by a solar-energy company called Heliogen. They could eventually replace fossil fuels.

Singapore wants to generate enough solar energy for 350,000 households annually by 2030 – here’s how it plans to do that

Singapore has big plans for clean energy, and the good ol' sun is its best resource.
A view of Tesla's new Solarglass roof.

Tesla reveals the latest version of its solar roof, aims for 1,000 installations per week within a few months

CEO Elon Musk announced the third version of the company's solar tiles, which Musk later described as a "solarglass roof," on Friday.
Elon Musk showing off an earlier version of Tesla's solar roof panel.

Tesla is unveiling a 3rd version of its solar roof this week, Elon Musk says

The product announcement comes as the company faces criticism and legal challenges over its solar products.
Solar panels cover the roof of a Sam's Club store that was toured by California Gov. Arnold Schwarzenegger and Wal-Mart officials before their press conference on Earth Day, April 22, 2009 in Glendora, California. Following the tour, the governor and Wal-Mart officials announced that Wal-Mart will expand its solar power programs by adding solar panels on 10 to 20 additional Wal-Mart facilities to generate up to 32 million kilowatt hours of renewable energy every year, the equivalent of powering more than 2,600 homes

Walmart slams Tesla with a lawsuit claiming its solar panels caught fire at 7 stores

The retail giant said it has leased or licensed roof space at more than 240 stores for Tesla-supplied solar-energy systems.
Attendees take pictures of the new Tesla Energy Powerwall Home Battery during an event at Tesla Motors in Hawthorne, California April 30, 2015. Tesla Motors Inc unveiled Tesla Energy - a suite of batteries for homes, businesses and utilities - a highly-anticipated plan to expand its business beyond electric vehicles.

Tesla is reportedly making big changes to its energy unit as it tries to ramp up falling solar sales

Elon Musk's electric car company installed its fewest solar energy products ever last quarter, but things may be beginning to change.
13-year-old scientist Georgia Hutchinson.

A 13-year-old won $25,000 for a solar-panel invention that can locate the sun at any time

Georgia Hutchinson, a 13-year-old from California, recently won $25,000 for inventing a solar-energy system that can locate the sun at any time.
All the countries that use less energy than bitcoin mining.

William Shatner once called bitcoin a ‘snob currency’ — now he’s pushing bitcoin miners to use solar power

Actor William Shatner of Star Trek fame wants bitcoin miners use solar. He's now the spokesman for Solar Alliance, a Canadian company that plans to outfit a new warehouse with a solar array and rent space to bitcoin miners.

China’s solar energy explosion reveals a dim future for fossil fuels — here’s what it looks like

China is the largest investor in renewable energy, sinking $126.6 billion into the industry in 2017. Here are a few solar megaprojects that the country has developed in the past several years.