Warming-driven melting of glaciers and sea ice increases mer-cury(Hg)inputs to the Southern Ocean,where it can be methylated and enter food webs.Concurrently,faster carbon recycling in these waters accelerates local h...Warming-driven melting of glaciers and sea ice increases mer-cury(Hg)inputs to the Southern Ocean,where it can be methylated and enter food webs.Concurrently,faster carbon recycling in these waters accelerates local heating,further exacerbating Hg remobi-lization.This concern demands governance innovation that rec-ognizes the cryosphere as a biogeochemical threat vector,both a source of greenhouse gases and a sink for atmospheric pollutants.Urgent interdisciplinary action must bridge contaminant control and climate mitigation to avert irreversible tipping points in Earth's climate frontiers.展开更多
基金funded by the National Natural Science Foundation of China(42476127)Science and Technology Projects of Xizang Autonomous Region,China(XZ202501ZY0091)+1 种基金supported by the High-Performance Computing Platform of Peking University,Public Instrument Platform of College of Urban and Environmental Science,Peking University.M.L.was also supported by the Fundamental Research Funds for the Central Universities(7100604874)Labora-tory for Earth Surface Processes,Ministry of Education,Peking University.
文摘Warming-driven melting of glaciers and sea ice increases mer-cury(Hg)inputs to the Southern Ocean,where it can be methylated and enter food webs.Concurrently,faster carbon recycling in these waters accelerates local heating,further exacerbating Hg remobi-lization.This concern demands governance innovation that rec-ognizes the cryosphere as a biogeochemical threat vector,both a source of greenhouse gases and a sink for atmospheric pollutants.Urgent interdisciplinary action must bridge contaminant control and climate mitigation to avert irreversible tipping points in Earth's climate frontiers.