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Special Feature: Avoiding Collapse

Grand challenges for science and society to solve by 2050

Scientists have long known the global ecosystem is under duress from human impacts that, if they continued unabated, would damage Earth’s life support systems, people, and other species irretrievably by the middle of this century. Solutions are at hand, but only if scientists and others in academia are more proactive in communicating relevant discoveries and working with all sectors of mainstream society to turn around six destructive trends: climate change, ecosystem destruction, extinctions, pollution, overpopulation and overconsumption, and spillover of diseases.

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