Earth and Leaf Editorial – The Doomsday Glacier   This is serious for lots of reasons.  Antarctica’s fragile environment is being destroyed.  Water and ice are the buffers that maintain a stable and equitable climate on our shared world.  It takes a great deal of heat to melt this much ice.  The latent heat of fusion uses huge amounts of energy to turn ice at 0 degrees C into water at 0 degrees C and vice versa. Thwaites Glacier is the largest glacier in West Antarctica, pictured here by the Copernicus Sentinel-2 mission in 2019. (Image credit: Photo: ©ESA; Contains modified Copernicus Sentinel data (2019), processed by ESA) The Doomsday…