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
EU - European Union. An economic and political union of 27 countries.
California - A large state on the west coast of the USA. It is the country's most populous state, with more than 37 million people. First settled by Native Americans as much as 13,000 years ago, the area was subsequently conquered by Spain, then was absorbed into Mexico, which was forced to hand it over to the USA in 1848.
Cerebral - Of or relating to the brain or the intellect.
Industrial Revolution - A period of sudden, rapid industrialisation that transforms a country from an agricultural to an industrial economy.