The Melting Arctic Permafrost Is Unleashing a 'Toxic' Legacy

In the current climate change, each greenhouse gas emission contributes to the increase in average temperatures. One of the consequences of warming is the thawing of permafrost, which in turn increases the amount of CO2 in the atmosphere. Interview with Gerhard Krinner, Research Director at the CNRS at the Institute of Environmental Geosciences in Grenoble.

The melting Arctic permafrost is unleashing a 'toxic' legacy

An abandoned gold mine in Canada is known as a "sleeping monster" by Indigenous locals – because it contains enough arsenic to kill 1.7 trillion people.Giant Mine, near the subarctic city of Yellowknife, was once one of the biggest gold mines in the Northwest Territories, said The Wall Street Journal. The "unwanted by-product" of five decades of mining is 237 tonnes of arsenic trioxide "locked in the subterranean caverns". Just 140 milligrams is…

The melting Arctic permafrost is unleashing mining's 'toxic' legacy

An abandoned gold mine in Canada is known as a "sleeping monster" by Indigenous locals – because it contains enough arsenic to kill 1.7 trillion people. Giant Mine, near the subarctic city of Yellowknife, was once one of the biggest gold mines in the Northwest Territories, said The Wall Street…