Many of the world’s greatest unclimbed mountains are still unclaimed because national governments have forbidden ...

Each of these mountains are so tall that oxygen levels at the peak are not sustainable for human life, according to National Geographic. But not everyone agrees on which mountain is the tallest.

Reshaping mountains in the human mind to save species facing climate change Date: May 18, 2015 Source: Princeton University Summary: People commonly perceive mountains as pyramid-shaped masses ...

The world's oceans and mountains are in peril, and so are we, according to a major new report from United Nations climate scientists released early Wednesday. The "Special Report on Oceans and the ...