The climate has changed forever and will remain so for centuries, if not a few thousand years into the future. Human-caused carbon dioxide emissions are responsible for it, and our current mitigation strategies are insufficient to stop it from changing further. The global mean temperature will cross the 1.5°C limit in the current decade or next, and the 2°C mark during 2040–2060. This is the sixth assessment report of the Intergovernmental Panel on Climate Change (IPCC) in a nutshell.
Let us first look at some of the irreversible climate change and extreme weather events that have already set in and are
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