Fossil Fuels & Resources Depletion L. David Roper Professor Emeritus of Physics Virginia Polytechnic Inst. & St. Univ.

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Presentation transcript:

Fossil Fuels & Resources Depletion L. David Roper Professor Emeritus of Physics Virginia Polytechnic Inst. & St. Univ.

World Coal Extraction Projection

World Crude-Oil Extraction Projection

World Natural-Gas Extraction Projection

Fossil-Fuels Energy Projection

Population Decline (Depletion) Fitted to population data between 1950 & 2006

Iron-Ore-Extraction Depletion Mostly China!

Phosphate-Rock-Extraction Depletion

Gold-Extraction Depletion

Silver-Extraction Depletion

Platinum/Palladium-Extraction Depletion

Manganese-Extraction Depletion

Salt-Extraction Depletion

Tin-Extraction Depletion

Zinc-Extraction Depletion

Mercury-Extraction Depletion

Mercury is the only one truly depleted. The rest are “depleted” only because of the depletion of fossil fuels.

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