US EditionGlaciers Will Take Centuries to Recover Even if Global Warming Is Reversed, Scientists Warn
- Scientists warn glaciers worldwide will take centuries to recover even if global temperatures return to the 1.5°C limit set by the Paris Agreement.
- This follows findings that temporarily exceeding 1.5°C causes irreversible glacier loss and accelerated ice sheet retreat despite later cooling.
- The study, involving over 200,000 glaciers, shows current warming of 1.2°C already triggers rapid ice loss and contributes to rising sea levels threatening hundreds of millions.
- Lead author Lilian Schuster explained that following a 3°C temperature overshoot, it could require several hundred to thousands of years for major polar glaciers to fully regenerate, noting that 35% of glacier mass is already destined to melt.
- These irreversible changes underscore the urgent need for immediate emission cuts to avoid severe impacts on water resources and coastal populations.
68 Articles
68 Articles
The world’s coastlines are in danger no matter what we do
Even if the world meets the international goal of limiting global warming to 1.5°C, the consequences of the climate change crisis may still be far more severe than expected. A new study warns that sea levels are set to rise faster than humanity can adapt, posing a long-term threat to coastal communities worldwide. According to researchers, the current pace of melting from the Greenland and Antarctic ice sheets has already quadrupled since the 19…
Study: Glaciers Cannot Withstand 1.5 Degrees of Warming – Hundreds of Millions of People Are Threatened with Displacement
British scientists believe it is possible that sea levels will rise by one centimeter per year by the end of the century. This would force large-scale population displacements.
Rising seas could displace millions, even with limited warming
Even if global warming is limited to 1.5C, accelerating sea level rise will likely force widespread inland migration across the globe.Damian Carrington reports for The Guardian.In short:Ice loss from Greenland and Antarctica has quadrupled since the 1990s, becoming the main driver of sea level rise.By 2050, just 20 cm of sea level rise could cost $1 trillion annually in damage to 136 major coastal cities.Scientists say a rise of one to two meter…
New elevation data triple estimates of global vulnerability to sea-level rise and coastal flooding
Most estimates of global mean sea-level rise this century fall below 2 m. This quantity is comparable to the positive vertical bias of the principle digital elevation model (DEM) used to assess global and national population exposures to extreme coastal water levels, NASA’s SRTM. CoastalDEM is a new DEM utilizing neural networks to reduce SRTM error. Here we show – employing CoastalDEM—that 190 M people (150–250 M, 90% CI) currently occupy globa…
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