Pure Science: What is ‘watermelon snow’ or ‘glacier blood’ that is appearing in Alps & what causes it?

Researchers have been studying the phenomenon of watermelon snow or blood snow that is appearing in many parts of high-altitude alpine habitats around the world. ThePrint’s Sandhya Ramesh explains how the snow acquires these tinges of colour and why scientists think they are accelerated by and, in turn, can accelerate climate change. Brought to you by  @Kia India  ----more----Supplementary reading: Procházková et al., 2019. Sanguina nivaloides and Sanguina aurantia gen. et spp. nov. (Chlorophyta): the taxonomy, phylogeny, biogeography and ecology of two newly recognised algae causing red and orange snow. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6545352/----more----Stewart et al., 2021. Altitudinal Zonation of Green Algae Biodiversity in the French Alps https://www.frontiersin.org/articles/10.3389/fpls.2021.679428/full----more----History of Animals, Book V by Aristotle http://penelope.uchicago.edu/aristotle/histanimals5.html