TIL Snow is an excellent insulator because it consists of about 90–95 percent trapped air (fresh). This is the reason why igloos are warmer inside than outside, and why some animals in colder regions build snow caves to spend the winter while hibernating.
nsidc.orgSubmitted by SunCloud-777 t3_zy30z3 in todayilearned
positive_bias t1_j6fqhg5 wrote
Reply to [OC]10 year moving average sea ice extent. by Snoo_94483
realize earth is on a dangerous path once you realize the importance of sea ice. https://nsidc.org/arcticseaicenews/charctic-interactive-sea-ice-graph/