At the same time, mountain ecosystems change dramatically over very short distances, with just small changes in altitude.

UNESCO: 83e

Mountain ecosystems are well suited for research to track global climate change.

UNESCO: 83e

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

We also want to reaffirm that we appreciate what we have learned about the cultural and religious significance of this sacred mountain, as well as the vital ecosystems it supports.

ENGADGET: Hawaii clears land use for the Thirty Meter Telescope, construction to start in 2014

Global warming is melting mountain glaciers, spawning severe risks to sensitive ecosystems and putting the future of humanity in peril, the study concludes.

FORBES: Climate Change: Vatican Enters the Fray

It is a richly structured landscape ranging from 600 m to 3, 000 m above sea level and encompasses typical ecosystems of the Central Alps such as mountain meadows and mires with great biodiversity.

UNESCO: EDUCATION

The collective effect may be to alter the ability of these ecosystems to provide critical goods and services to both mountain and lowland people.

UNESCO: Ecological Sciences and Research