Added: 1 month ago
From: joefriendly
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  • Ken Gale's introduction makes a common mistake, claiming petroleum comes from dinosaurs. That's how coal happened. Petroleum comes from a 100 million year period between 300 and 200 million years ago when the oceans were unusually warm and were covered with brown algae. Petroleum comes from that algae that died, dropped to the bottom of the ocean, and got covered with layers of rock. We've already used up half of it in 100 years and should save the remaining half for many future generations.

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