A Planetary Crisis
Tipping points occur in various interconnected systems, such as ice, ecosystems, oceans, and the atmosphere. While it is commonly believed that these systems respond linearly to human pressures, some can abruptly shift to alternative states once a tipping point is crossed. Understanding and managing these tipping points is crucial for [...]
Al Jazeera: At least 937 people have died since mid-June, including 343 children, according to the National Disaster Management Authority (NDMA), with large swaths of the southwestern province of Balochistan remaining submerged, bringing back the memory of the devastating 2010 floods.
Satellite imagery shows a massive ash cloud and shockwaves spreading from the eruption. The eruption of the Hunga Tonga-Hunga Haʻapai volcano was heard across the South Pacific, and eventually as far away as the US.
Wikipedia: On 8 August 2022, large scale floods hit the capital of South Korea, Seoul, especially Gangnam District and surrounding areas. It was preceded by the highest rainfall in 80 years.
Luke Kemp talks in 2021 about extreme climate risks – could the worst-cases result in global catastrophe, or even long-term human extinction? In this panel, leading scientists discuss what we know about the worst-case scenarios, what we don’t know, and how we can study the catastrophic risks of climate change.
Speaker: Rob DeConto, University of Massachusetts Amherst. Perhaps most sobering, this loss may become rapid and permanent, with no halt in ice loss even should CO2 concentrations return to pre-industrial levels; and rates approaching 5 cm/year by 2150, and 10 meters of sea-level rise by 2300 should today’s emissions levels [...]
Currently the Wilkes Basin is only hold back by the Cook, Mertz, and the Ninnis glacier – the Cook Glacier shelf has already collapsed. […]
Andrew Thurber, Oregon State University on his research on methane seeps, and his studies on Cinder Cones in McMurdo Sound, Antarctica.
It has long be debated, estimated, projected when the Arctic Ocean becomes essentially ice free, in terms of the so called Blue Ocean definition -Â typically defined as less than 1 million square kilometers of ice, or less than 10% of the basin. Read more.