Each gold seeker began by moving his supplies to the bottom of the mountain.

VOA: special.2009.02.11

Animals and plants were also moving up mountain slopes.

FORBES: Scientists Attempt to Predict the Impact of Climate Change on Ecosystems

In Idaho, a fast-moving wildfire near Mountain Home destroyed five homes and several outbuildings Monday evening.

MSN: Nuns, Boy Scouts among new wildfire evacuees

Mountain systems are particularly fragile as well, so many mountain ecosystems are moving along trajectories that couple high rates of environmental change with strong economic changes.

UNESCO: Ecological Sciences and Research