Different countries consume resources at different rates. If everyone started to match the rate of consumption of the average American, we'd need about four planets, right now.
Key Facts In This Video
The world's energy use is growing faster than its population. 00:17
Coal, oil, and natural gas supply approximately 80% of the human race's energy. 00:44
Increased CO2 in the atmosphere causes a slower release of heat from the planet, leading to increased temperatures. 01:33
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