Canada has one hectare of forest per person. In an invasion, everyone gets to hide in their own hectare. The enemy gives up ...

Satellite imagery has revealed a yet-to-be-explained rise in the Southern Ocean's salinity. It could be a key factor in the decline of the region's sea ice.

The freight turnover of seaports dropped by 6.7% for the Arctic basin, by 3.2% for the Baltic basin, by 11.9% for the Azov-Black Sea basin, and by 36.7% for the Caspian basin ...