Blood glaciers: why is Alpine snow turning pink?

What 'Glacier Blood' on the French Alps Tells Scientists About Climate Change at High Elevations

The red hue is produced by snow algae blooms. The color most likely shields the algae from damaging ultraviolet rays

‘Glacier Blood’ Leaves Scientists Baffled as They Investigate Bizarre Phenomenon

While throughout winter and spring the French Alps are shrouded in pristine white snow, the arrival of summer is increasingly prompting the slopes to take on a rosy hue that has been dubbed by some as “watermelon snow" or "glacier blood."

Blood glaciers: why is Alpine snow turning pink?

French scientists have noticed blooms of algae are becoming much more visible than they once were – possibly due to accelerated global heatingName: Blood glaciers.Appearance: Snow, but make it red.Continue reading...

‘Blood snow’ in the Alps probed as a sign of climate change

Experts believe the snow algae may be a marker of climate change but also that their rise could hasten the shrinking of glaciers and snow caps.

French scientists investigate rise in Alpine snow turning red

Dubbed “watermelon snow" or "glacier blood”, the phenomenon of snow turning a pinkish red could warn of accelerating climate change.

Now climate change ‘is turning snow in the Alps red’

French scientists have expressed concern about a rise in Alpine snow turning from white to pinkish red – warning that the colour shift could be a marker of accelerating climate change.