Does the temperature affect the sound of snow underfoot?
Snow underfoot produces different sounds that correlate with temperature: squelch near 0°C, crunch above −10°C, and high-pitched squeaks well below −10°C.
The race to uncover snow's many mysteries before it disappears forever
Snow's survival is crucial to prevent droughts, sinking tundra and planetary overheating; urgent climate action is required to preserve snow's ecological and climatic functions.