<em><u>Active Volcano Found Under Antarctic Ice: Eruption Could Raise Sea Levels. The summit of Mount Erebus casts a long shadow out over the Ross Sea. Mount Erebus is the most active volcano in Antarctica—and one of a few in the world with a permanent lake of molten lava in its crater.</u></em>
The greatest negative impact of colonization was the exploitation of the natural resources by foreigners which did not benefit the local communities, but instead the colonizers
The colonial governments introduced improved medical care, and better methods of sanitation.