- The science of glaciology and ice sheets is quite new, as methods to measure melting glaciers were only realized with the advent of aviation and lasers.
- The world’s sea levels are rising 3mm per year, and of that Greenland’s ice sheet contributes 1mm – it is losing between 250 to 300 billion tons of ice per year. Three millimeters total is not much, but ice sheets don’t always operate in a linear fashion.
- No human has ever witnessed an ice sheet collapse. It is also such a rare event that models cannot accurately predict what the effect will be. Can we halt global warming before we reach that tipping point?
source https://thebtrade.com/2019/06/29/ice-sheet-collapse-the-greatest-unknown-in-climate-science/
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