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 ...

The arrows for Norwegian seabird populations are pointing downward. Researchers have now recorded mercury levels above the ...

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

Mercury pollution in the Amazon is caused by gold mining. Discover how tree core samples identify the concentration and ...