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1
The rank of Germany among the largest producers of photovoltaic power in the world
21
Billion, tons of coal it would take to equal the amount of energy the sun sends to the earth every hour
Source: National Geographic
1
The rank of Germany among the largest producers of photovoltaic power in the world
21
Billion, tons of coal it would take to equal the amount of energy the sun sends to the earth every hour
Source: National Geographic