Last week, the Intergovernmental Panel on Climate Change (IPCC) released the first instalment of the Sixth Assessment Report (AR6) that lays out the physical science basis for climate change. This report, produced by the first of its three working groups, puts forth what many are calling the clearest and strongest warning so far. The message is unequivocal that human beings are responsible for the changes we are seeing in nearly every part of the world.
Like most of the world, the South Asia Region has also witnessed warming since the beginning of the 20th century, with rapid increases in the last few decades. This unprecedented warming has been accompanied by increases in extreme heat and heavy precipitation as well. In addition to greenhouse gases, changes in temperature involve substantial tempering by the aerosols that we co-emit and know as atmospheric pollution. This is particularly true for South Asia, and the overall rainfall in the monsoon regions has indeed decreased due to these aerosols that have overwhelmed any increase resulting from greenhouse gases.
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https://weather.com/en-IN/india/environment/news/2021-08-19-unprecedented-warming-of-indian-ocean-serve-as-a-wakeup-call
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