Different technologies capture the sun's light or heat to generate power. It may be done on a large or small scale.
Airports around the world are looking sunward to power their facilities — and they find solar energy makes good business sense.
Entrepreneurs and activists are using technology to fight corruption and graft, and the cultures that create it.
Did you know you are looking at part of the power grid every time you see power transmission lines? How does renewable energy become part of the grid?
A new technique that takes CO2 emissions generated by factories and cars could create new material for buildings, aircraft and athletic equipment.
Molten salt could be the key to unlocking a future full of renewable energy. During peak times the salt stores solar power that can be saved and used later.
What does grid parity have to do with climate change? Everything. As the cost of renewable energy drops, so does the dependence on traditional energy.
Renewable energy resources such as solar and wind have opened up new possibilities for distributed power generation and transmission.
What type of energy do you use? The five dominant sources of renewable energy range from solar and wind to lava and biomass.