Reposted by Keir Nichols
🧵🧪❄️🌊As today is UN World Day for Glaciers I'm taking the opportunity to post this reminder that the main reason nobody can confidently predict how much sea-level will rise over the rest of this century and beyond is "deep uncertainty in ice sheet processes" (IPPC AR6).
#WorldDayOfGlaciers
#Sealevel