Tipping Point
A critical threshold where small additional changes trigger large abrupt shifts in climate or ecosystems.
Real World
In 2023, scientists reported that the Atlantic Meridional Overturning Circulation could collapse as early as the 2050s, a tipping point that would dramatically cool Western Europe and shift tropical monsoons.
Exam Focus
Use the term 'irreversible on human timescales' to show understanding — avoid saying tipping points can never be reversed.
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