How much faster is polar ice melting now compared to the 1990s?

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Polar Ice Melt Rate Has Increased Sixfold Since the 1990s

Greenland and Antarctica are losing ice at a rate six times higher than in the 1990s, contributing significantly to global sea level rise. The combined mass loss from these ice sheets has escalated dramatically over the past three decades, with recent data indicating a substantial increase in the annual rate of melt.
Escalation in Ice Mass Loss

The combined rate of ice mass loss from Greenland and Antarctica has seen a sixfold increase, rising from 81 billion tonnes per year in the 1990s to 475 billion tonnes per year. This surge in melting, documented through extensive satellite data, in situ measurements, and computer modelling, underscores a significant acceleration in ice sheet disintegration over a period of less than three decades.
Impact on Global Sea Levels

The increased ice melt from these polar regions is a primary driver of global sea level rise. Between 1992 and 2017, the ice sheets lost a total of 6.4 trillion tonnes of mass, which added nearly two centimetres to the global sea level. This phenomenon is projected to lead to more frequent and severe coastal flooding in the future, impacting communities worldwide.
Arctic Heatwave's Potential Record Loss

The summer of 2019 saw an Arctic heatwave that is likely to surpass the previous record for polar ice sheet loss, which occurred in 2011 and amounted to 552 billion tonnes. This indicates that extreme weather events, exacerbated by climate change, are contributing to unprecedented rates of ice melt, further compounding the challenges of rising sea levels.

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How much faster is polar ice melting now compared to the 1990s?

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