As glaciers shrink and snowlines move upwards, river flows are likely to change. It could cause water shortages or floods and influence farming and disaster patterns. Changes in plant and animal habitat could also mean loss of livelihood options for local communities.
Deserts have warmed-up at a higher rate than the average global temperature increase due to climate change. Global warming might bring more rainfall; but in most deserts within the subtropical belt, rainfall has already been decreasing in the last two decades.