The effects of climate change have been progressively getting more aggressive and frequent over the past few decades.
Floods in Assam, Bangladesh, Pakistan and Australia; drought and wildfire in California, China and southern Europe; tornadoes in the USA. Extreme weather conditions have been constantly in the news from the beginning of the year.
Now, a study published in the Science journal has stated that a rise of 1.5 from pre-industrial levels can trigger multiple climate tipping points. In fact, observations have shown that parts of the West Antarctic ice sheet, an important marker, may have already passed the tipping point.
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Climate tipping points or CTPs are markers of a larger climate system which when triggered beyond a threshold, perpetuate warming on its own. Some CTPs triggers include substantial sea level rise from melting ice sheets, shrinking of Amazon rainforest or corals and warming from carbon release due to melting of permafrost.
The scientists did a comprehensive review of the previously-identified 9 tipping elements and reassessed suggested CTPs and their corresponding timescale and impacts of tipping. They increased the lists of potential tipping points from 9 to include other possible tipping points we might be facing.
The study has revealed that human emissions have already pushed the tipping points to dangerous levels. Though the Sixth Assessment Report of the Intergovernmental Panel on...
Read Full Story: https://www.thehindu.com/sci-tech/energy-and-environment/scientists-worried-as-study-shows-15-c-rise-can-trigger-climate-tipping-points/article65874826.ece
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