Human activities and climate change are accelerating the release of mercury from continental shelf sediments, the world's largest marine mercury reservoir, according to a groundbreaking study published in Nature Sustainability. Led by researchers from Peking University in collaboration with experts from the United States, the United Kingdom, and the Netherlands, the findings highlight a growing environmental and public health challenge for Asia and beyond.
The research reveals that industrial pollution, mining, and fossil fuel combustion have significantly increased mercury concentrations in marine ecosystems. Warming ocean temperatures further destabilize mercury trapped in sediments, releasing it into the water column and food chains. This poses risks to marine life and human populations reliant on seafood, particularly in coastal Asian nations.
Dr. Li Wei, a co-author from Peking University, emphasized the need for coordinated global action: "Mercury exposure affects neurological development and cardiovascular health. Our study underscores the urgency of reducing emissions under the Minamata Convention while addressing climate impacts."
The findings carry implications for policymakers, investors, and environmental agencies working on sustainable development goals. With Asia accounting for over 70% of global mercury emissions, regional cooperation will be critical to mitigate this transboundary threat.
