sustainable energy

Green Power Exchange enables peer-to-peer energy sharing

True friends share everything, from purses to lawnmowers to the limitless energy they pull from the sun, wind, and deep underground. Green Power Exchange aims to make one of those sharing scenarios a

Angaza Raises $4M To Make Clean Energy Affordable For World’s Poorest

Often, off-grid rural villages in places like Africa have their electricity generated by energy devices, like solar panels and batteries, donated by non-profit organizations and charities. The problem

Business Models For Sustainable Electricity

As varied as the quirky spectrum of people dressed from t-shirts and shorts to suits and ties at SXSW Eco in Austin was the spectrum of sustainability topics covered -- from improving fashion’s supp

SolarCity Acquires Silevo To Become A Large-Scale Solar Panel Producer

Elon Musk’s SolarCity has acquired Silevo, a solar panel manufacturing and design firm that produces low-cost, high-output photovoltaic cells, the company announced today. The deal will help Sol

Home-sized fuel cells are on the way

If you thought solar panels were too expensive to put on your house, wait ’till you hear this one. Bloom Energy, a clean energy start-up in Silicon Valley, said “Hello world” yesterd

Recycling may save, but trash can power your home

If you live in Spain that is. University of Zaragoza researchers have been looking into using various forms of solid waste to generate electricity for the nation, up to as much as 7%. What is it latel

Cellphone chargers are ruining the environment

Natural Philosophy Professor David J.C. MacKay at the University of Cambridge has posted a 409 page rough draft of his book on sustainable energy. Called “Sustainable Energy-without the hot air,