Featured series 
Tag: Methylmercury
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Nation & World
Human health risks from hydroelectric projects
Harvard researchers found 90 percent of new or proposed hydroelectric power plants will increase the concentration of toxic methylmercury in the food web near indigenous communities in Canada.
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Nation & World
Poison in Arctic and human cost of ‘clean’ energy
The amount of methylmercury, a potent neurotoxin, is especially high in Arctic marine life but until recently, scientists haven’t been able to explain why. Now, research from the Harvard suggests that high levels of methylmercury in Arctic life are a byproduct of global warming and the melting of sea-ice in Arctic and sub-Arctic regions.
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Nation & World
Toxic mercury springs from a hidden source
Environmental scientists at Harvard have discovered that the Arctic accumulation of mercury, a toxic element, is caused by both atmospheric forces and the flow of circumpolar rivers that carry the element north into the Arctic Ocean.
