Climate change in the era of coronavirus At first glance, the snow that's changed from white to bright pink in the Italian Alps seems like a stunning feat of nature. But scientists say it may ...

Pink ‘watermelon snow’ appears on Italian alps | Photo Scientists are investigating after a mysterious pink snow appeared on top of an Italian glacier, which they believe is being caused by algae.

You've heard of white snow, maybe even gray snow, but what about pink snow? High up in the mountains across the U.S., rapid growth of algae, or algal blooms, are turning melting snow pink.