The biggest environmental problems for commercial plantation forestry in New Zealand's steep hill country are discharges of slash (woody debris left behind after logging)...
Research led by Earth scientists at the University of Southampton has uncovered evidence of rhythmic surges of molten mantle rock rising from deep within...
"To the discerning eye, other mountains are visible—giants between 23,000 and 26,000 feet high. Not one of their slenderer heads even reaches their chief's...
California's Central Valley—one of the nation's most critical agricultural regions and home to over 1.3 million people—is prone to flooding. Mapping the extent of...
In the southern flanks of the Indian Ocean and the central and eastern Pacific, just north of the Antarctic Circumpolar Current, lie the Subantarctic...
People coming from the north settled South America. The first hunter-gatherers entered the continent from the region of what is Colombia today and then...