Ben See @ClimateBen Ben See. Literature Teacher informing pupils of the scientific reality of the Ecological Catastrophe & urging action. See also @urgenceclimatiq & @ClimateHound Aug. 31, 2019 2 min read

Glaciers have shrunk to the lowest levels ever recorded and are now melting faster than ever, with catastrophic consequences for all life on the planet.

[THREAD]

The Catastrophe of Vanishing Glaciers. @DahrJamail
⬇️
 https://www.theguardian.com/news/2019/jan/08/when-the-ice-melts-the-catastrophe-of-vanishing-glaciers?CMP=share_btn_tw 

Earth's glaciers have lost 9 trillion tons of ice since 1961 (the weight of 27 billion 747s).
 https://mashable.com/article/warmest-june-climate-change-trend-2019.amp/?europe=true&__twitter_impression=true 

Receding glaciers - climate breakdown takes its toll.

The pictures from this 2012 article are striking:

 https://truthout.org/articles/vanishing-glaciers-then-and-now/ 

Fleeing in panic as glaciers collapse...

The Cryosphere.

5 subsets of Earth's snow & ice:

🔹ice-caps
🔹polar sea-ice
🔹permafrost
🔹mountain glaciers
🔹snow-cover

Greenland & Antarctic ice-caps: rapidly losing mass⚠️

Arctic ice: going fast⚠️

Permafrost: collapsing⚠️

Glaciers & snow-cover: vanishing⚠️

Glaciers gone by the end of the 2020s...?

 https://www.livescience.com/41930-kilimanjaro-glaciers-shrinking.html 

Glaciers gone by the end of the 2020s?  https://time.com/4369987/this-scary-animation-shows-how-glacier-national-park-is-losing-its-glaciers/ 

Estimates on when the glaciers will disappear completely vary widely, from 2030 to 2080, depending on winter weather.

“These glaciers have been around for 7,000 years. What is important is that it will happen in our lifetime.” https://www.pbs.org/newshour/science/glaciers-will-disappear-mainland-u-s-lifetime-scientists-say 

70% of the glaciers in western Canada are projected to be gone by 2100. The Matanuska Glacier’s ancient ice is already rapidly vanishing. Mount Everest is transforming - thousands of glaciers across the Himalayas are likely to shrink by up to 99% within decades.

Gone within decades:

"We urgently need to see significant cuts in greenhouse gas emissions. This is the only way of avoiding long-lasting and irreversible glacier decline and the related major natural, social, economic and migratory cascading consequences" https://www.sciencedaily.com/releases/2019/04/190430105750.htm 

Existing tropical Andean glaciers in Bolivia, Ecuador, and Peru are retreating at an accelerated rate; and, should this continue, all glaciers below 5,000 meters above sea level will be drastically reduced or lost by 2030 or 2040. https://www.thegef.org/content/adapting-impact-rapid-glacier-retreat-tropical-andes 

 https://www.csmonitor.com/Environment/2019/0215/Nearly-2-billion-people-depend-on-Himalayan-glaciers.-What-if-they-melt 

Himalayas.

Water levels in the Ganges and the Indus (two of the region’s most important river basins) could drop significantly by 2050, threatening the livelihoods of millions. https://www.climatechangenews.com/2013/08/12/himalaya-glacial-melt-set-to-peak-by-2070/ 

Nearly 30% of Peru’s glaciers have melted away since 2000, threatening a critical source of drinking water and irrigation for millions of people downstream:

'this once seemingly endless water supply could run dry in the coming decades'

 https://e360.yale.edu/digest/peruvian-glaciers-have-shrunk-by-30-percent-since-2000 

The political/economic systems of humanity are now the biggest cause of glacier melting:

Since the 1990s, anthropogenic contribution to glacial mass loss has increased markedly. https://science.sciencemag.org/content/345/6199/919 

Warming is faster than what was expected back in 2015 when this article was written.

Will Canadian glaciers start to vanish in the 2030s?

 https://www.climatechangenews.com/2015/04/13/canadian-glaciers-could-start-to-disappear-by-2040-scientists/ 


You can follow @ClimateBen.



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