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Schuster's research is to model how climate change could cause the permafrost to release mercury, and how it would spread around the world.
"24 percent of all the soil above the equator is permafrost, and it has this huge pool of locked-up mercury," he said.
"What happens if the permafrost thaws? How far will the mercury travel up the food chain? These are big-picture questions that we need to answer."
According to the team's calculations, there are 793 gigagrams (793 million kilograms), or more than 15 million gallons, of mercury frozen in the northern hemisphere's permafrost. That is, the researchers said, roughly 10 times the amount of all human-caused mercury emissions over the last 30 years.
If we include non-permafrost soils in the permafrost regions, there are 1,656 gigagrams of mercury stowed away down there. This is nearly twice as much as is found in non-permafrost regions, the oceans, and the atmosphere combined.
If it were to leach into the waterways, it could have grave implications. Inorganic mercury can be transformed by microbes into methylmercury, a potent neurotoxin. Cases of methylmercury poisoning have occurred in humans after eating fish from methylmercury-contaminated water, and it can cause central nervous system damage and birth defects.
"There's a significant social and human health aspect to this study," said Steve Sebestyen, a research hydrologist at the USDA Forest Service in Grand Rapids, Minnesota. Sebestyen was not involved with the study.
"The consequences of this mercury being released into the environment are potentially huge because mercury has health effects on organisms and can travel up the food chain, adversely affecting native and other communities."
And if the mercury gets into the atmosphere, it could travel around the world.
Argentina, Indonesia and Nigeria among world's top 10 most polluted places due to jewellery and other chemical processing
And the third angel sounded, and there fell a great star from heaven, burning as it were a lamp, and it fell upon the third part of the rivers, and upon the fountains of waters.
And the name of the star is called Wormwood: and the third part of the waters became wormwood; and many men died of the waters, because they were made bitter.
And if the mercury gets into the atmosphere, it could travel around the world.
originally posted by: TonyS
a reply to: StallionDuck
The stock market way down and you're worrying about this?
No the Russians never put a giant mirror in orbit.
On a long enough timeline, we're all doomed!