July 28, 2016

South Africa: Renewables Program Gains Momentum

Already the continent’s largest producer of renewable energy, South Africa is moving to further reduce its reliance on hydrocarbons by expanding private sector investments in solar […]
February 10, 2013

Solar energy to become cheaper than Eskom electricity in South Africa

While solar energy was currently cheaper than energy derived from diesel plants and generators that were often used as a substitute to conventional coal-fired power, it […]
January 30, 2013

Eco roof generates solar energy, harvests rainwater

The rise in the cost of energy along with the need to reduce the carbon footprint of buildings, architects around the world have started to come […]
January 23, 2013

“World’s Greenest Office Building”

Seattle’s Bullitt Center is being heralded as the greenest, most energy-efficient commercial office building in the world. It’s not that the six-story, 50,000-square-foot building is utilizing never-before-seen technology. […]
January 15, 2013

Polymer film harvests energy from water vapour

MIT engineers have created a new polymer film that can generate electricity by drawing on a ubiquitous source: water vapour. The new material changes its shape […]
October 12, 2012

How to make a solar water heater from plastic bottles

Retired mechanic Jose Alano invented a simple, cheap, energy saving rooftop solar water heater which is benefiting thousands of people. Here’s how it’s done… José Alano […]
October 1, 2012

Hydroelectricity – dams no longer required!

You don’t have to build dams to get hydroelectricity from water flowing through municipal pipes, says Dr. Daniel Farb, the Los Angeles immigrant who previously shook […]
September 10, 2012

Asian Water Scarcity Risked as Coal-Fired Power Embraced

Inner Mongolia’s rivers are feeding China’s coal industry, turning grasslands into desert. In India, thousands of farmers have protested diverting water to coal- fired power plants, […]
March 10, 2012

Nanotrees Harvest the Sun’s Energy to Turn Water Into Hydrogen Fuel

University of California, San Diego electrical engineers are building a forest of tiny nanowire trees in order to cleanly capture solar energy without using fossil fuels […]
July 11, 2011