Riso Africa is the winner of the Innovation in Renewables Award.
In Riverlea, people have had their solar geysers for only two weeks but their shoddy workmanship has dashed many residents' expectations.
The Jasper power plant by Google will generate sufficient energy for 30â€‰000 homes.
A solar-powered aeroplane has landed in Phoenix after a flight from California that included several hours in the air after sundown.
The breakneck speed of development in photovoltaic technology means that soon every surface will be generating energy.
New solar power installations in Germany has hit a record high in 2012 but tapered off as subsidies were cut, Environment Ministry data showed.
The Nelson Mandela Metropolitan University's pilot photovoltaic project produces enough power to run a house.
Massive solar projects, spearheaded by Germany, have the cautious approval of the Arab League.
President Jacob Zuma has launched a flagship solar power plant in Hazelmere, KwaZulu-Natal, which is set to provide job opportunities.
As SA prepares to sign a green energy accord, solar water heater-makers in the Western Cape are shutting their doors after decades in the business.
An Indian college is training 12 Sierra Leonean women to become solar engineers as part of a drive to bring electricity to rural communities.
For years the only hot water in Zoleka Mali's home in Zwide outside Port Elizabeth came out of a pot on her paraffin stove.
A new feature will predict which page a user will choose and begin fetching its data -- even before they have clicked on the link.
Google is investing $280-million to help private United States homeowners put solar panels on their rooftops, its largest investment in clean energy.
It is 8pm and amateur teams of youngsters drawn from one of Nairobi's toughest slums are locked in a five-a-side soccer match.
Electric vehicles from Australia, Germany and Switzerland completed a pioneering 27 000km "emissions free" round-the-world trip on Thursday.
It wasn't easy but someone had to do it. Tim Cohen and his wife went to the Karoo and unplugged from Eskom. But they took their food processor.
Giant mirrors and solar panels in Northern Cape would reduce carbon emissions and generate one-tenth of the country's energy needs.
Using the sun's abundant power could be the solution for people who cannot afford escalating electricity costs.