Is cheap energy the solution to everything? The world is in the middle of a silent revolution in solar energy. Some experts are saying it will lead us towards a brighter future.
Here comes the Sun (it might save the world)
Renewables: Around the world, solar panels, such as these at the Xinyi power station in Songxi, China, produce huge volumes of clean, free electricity. Glossary
Industrial Revolution - A period of sudden, rapid industrialisation that transforms a country from an agricultural to an industrial economy.