Scientists are increasingly worried about climate tipping points, where certain thresholds are reached that drive further warming.
, where certain thresholds are reached that drive further warming. It's almost like a runaway train heading off a cliff – we're getting near the point where it's too late to put the brakes on.
Based on the latest models, releasing 1,000 gigatons of carbon into the atmosphere will completely melt the southern region of the ice sheet. Go up to 2,500 gigatons, and almost the entire ice sheet would be wiped away permanently.Since human activities started having a noticeable impact on carbon emissions, we've already put 500 gigatons of carbon into the atmosphere – so we're already halfway to losing a large chunk of the GIS.
The complex simulation used by the research team factored in all the key climate processes, and the factors that influence ice melt, including air temperature, water temperature, ocean current activity, and precipitation levels.
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