Mysterious pink ice on Italian Alps sound alarm bells for climate change

Algae is not dangerous but shows the effect of climate change, say scientists.

The Alps have a new show: the appearance of pink glacial ice on the mountain range in Italy. Scientists say the colour is caused by an algae and could be a sign of how climate change is affecting the mountains. 

While there are debates about where the algae come from, "the pink snow observed on parts of the Presena glacier is likely caused by the same plant found in Greenland," Biagio Di Mauro of Italy’s National Research Council was quoted as saying by AFP. 

“The algae is not dangerous, it is a natural phenomenon that occurs during the spring