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globalchange

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emissions(235)
carbon(220)
lead(159)
infrastructure(142)
public health(104)
carbon dioxide(99)
heat(98)
atmosphere(88)
sustainability(72)
electricity(63)
population(59)
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sea ice(54)
transportation(54)
sustainable development(52)
air quality(48)
drought(48)
methane(47)
storms(47)
agriculture(43)
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