Melting permafrost in the Arctic is releasing toxic mercury into the water system, potentially impacting the food chain, scientists say. Arctic permafrost is melting at rapid rates, potentially ...

is melting at unprecedented rates. Permafrost acts like a natural freezer, preserving not just organic material but also dangerous substances like mercury. The permafrost in the Arctic has ...

Permafrost covers about 25% of the exposed land surface in the Northern Hemisphere, crucial in locking away carbon and toxic metals like mercury.

For example, mercury is a liquid at room temperature. The metals in Group 1, such as lithium, sodium and potassium, are all soft. Many non-metals have low melting and boiling points. When non ...