Grass on Glaciers

[Colonel Akir Nakesh]

Glaciers have grass (and some clumps of trees) on them...thanks, climate change?  Eg:

Perito Moreno glacier:

-camera 98.126261 0.360707 -990.483180 -cameradir -0.586176 -0.217912 -0.7803281

Upsala glacier:
-camera 182.393663 1.163979 -1025.688335 -cameradir 0.684858 -0.299080 -0.664470

Yes, there is a FOB on a glacier...why not?