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globalchange

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carbon(14)
population(8)
carbon dioxide(6)
forests(6)
emissions(5)
lakes(4)
precipitation(4)
vegetation(4)
density(3)
nutrients(3)
sediments(3)
solar radiation(3)
aerosols(2)
atmosphere(2)
boundaries(2)
clouds(2)
conservation(2)
elements(2)
lead(2)
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