The Power of the Sun
¥Technologies include photovoltaics (PV), solar thermal
power plants, solar hot water and space heaters
¥Sunlight hitting the earth in 1 hour
could power global economy for 1 year
¥Plan B goal: Solar heating and electricity each exceed
1 million MW installed capacity by 2020
Photo
Credit: iStockPhoto / Ekaterina Romanova
World
Cumulative Photovoltaics Production, 1975-2008
