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globalchange

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carbon(187)
population(140)
precipitation(111)
emissions(101)
atmosphere(99)
density(94)
conservation(91)
velocity(75)
heat(71)
forests(68)
lead(65)
aerosols(61)
earthquakes(59)
carbon dioxide(57)
surface temperature(56)
vegetation(56)
clouds(52)
isotopes(51)
radar(51)
sediments(51)
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