Clouds over solar
Too little for renewables
The sector remains a low priority for government
Solar Entrepreneurs
Swedish renaissance
Second-generation reforms in energy certification come through
A cool idea
Roofs that reflect sunlight save electricity
Designer fuel
Waste hydrocarbons mixed with ethanol can be used to run vehicles
The future of energy
Green electricity
Next generation clean fuel
Solar units beyond people's reach in Sunderbans
Green home
Paints that power home
Quantum dots convert sunlight into electricity
Sun boat
Great balls of energy
Under the ocean floor lies an untapped source of energy