Andes Glaciers Melting Fast

A recent survey has found that Andean glaciers have shrunk by an average of 30-50% since the 1970's. The glaciers that provide water for millions of people living in South America are melting at their quickest rate in over 300 years. The IPCC say that glaciers are a key indication of climate change.

 

http://www.bbc.co.uk/news/science-environment-21163386