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When we started drilling for oil in 1901, the earth had about 2.1 trillion barrels of conventional oil in it. In the last 100 years, we've used half of it, and currently the world consumes about 1,000 barrels each second. From this, we can say that:
Gas used world-wide since page loaded:
Barrels used since this page loaded:
CO2 emitted by burning gas since page loaded:
Oil used this year in the U.S. alone:
Oil still left in the earth:
Total of the earth's oil we've used:
Time left until we run out of oil:
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