Question

Impacts of climate change on biogeochemistry

Answer 1

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♦Processes governing natural biogeochemical cycles and feedbacks currently remove anthropogenic carbon dioxide from the atmosphere, helping to limit climate change.

♦ These mitigating effects may significantly reduce in a warmer climate, amplifying risk of climate change and impacts.

Answer 2

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$<b>$Human activities have greatly increased carbon dioxide levels in the atmosphere and nitrogen levels in the biosphere. Altered biogeochemical cycles combined with climate change increase the vulnerability of biodiversity, food security, human health, and water quality to a changing climate.