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globalchange

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climate change(7)
air defense(4)
air warfare(4)
nuclear weapons and warfare(4)
united states air force(4)
global warming(3)
predation(3)
animal behavior(2)
antisubmarine warfare(2)
arms proliferation and control(2)
carbon isotope(2)
chicxulub(2)
crater(2)
cyber warfare(2)
forests(2)
global security(2)
grasslands(2)
military facilities(2)
modeling and simulation(2)
new zealand(2)
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