Now we know how much glacial melting ‘watermelon snow’ can cause
Microbes are pushing glacial snow into the red. An alga species that grows on glaciers gives the snow a crimson hue, which increases the amount of sunlight that the snow soaks up and makes it melt faster, new measurements confirm. On Alaska’s Harding Icefield, these microbes are responsible for about a sixth of the snowmelt […]