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14 cards from this deck
Population growth, technology development, electrical demand
1 billion to over 7 billion people
Since 1800
Wood (biomass)
Fossil fuels (coal, oil, natural gas)
Nuclear power and hydroelectric power
Energy use grew much faster than population
More energy per person today
Took millions of years to form, will run out
Releases CO2CO_2CO2 into atmosphere
Severe weather, flooding, threats to food supplies
About 80%
About 7 times
More than 20 times
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