Rapid warming is probably behind a spike in mercury levels in Svalbard polar bears
Mercury in the atmosphere has stayed stable while levels found in bears increased dramatically, leading researchers to suspect releases from thaw and melt.
June 18, 2020
3260
Polar bears in and around Svalbard are carrying increasing loads of mercury in their bodies, a sign that rapid warming is releasing mercury previously locked up by freezing temperatures, according to a new study.
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