Thanks to my colleague Anne Greaves for telling me about this fascinating example of landscape change.
It is a story about a mountain in Peru is being painted white to try to restore a lost glacier...
The BBC NEWS story describes how Eduardo Gold came up with the idea...
Changing the albedo (a measure of how strongly an object reflects light) of the rock surface, would bring about a cooling of the peak's surface, says Mr Gold, which in turn would generate a cold micro-climate around the peak.
"I am hopeful that we could re-grow a glacier here because we would be recreating all the climatic conditions necessary for a glacier to form."
"Cold generates more cold, just as heat generates more heat," says Mr Gold.
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