Number of the Day: 80

solar-hot-water-heater-china.jpg

80 -- percent of the global market share for solar hot water owned by China.

80 million cubic meters -- the amount produced in China each year.

1 in 10 -- the number of Chinese households who have solar hot water heaters.

via ::CNN International; for $5, you can make your own solar water heater.

Number of the Day: 80
80 million cubic meters -- the amount produced in China each year.