BBC news and the Independent both report that researchers attempted to identify ``tipping point'' events resulted by climate change and managed to find 9 so far. The result will be published on the PNAS Journal but as of the moment I create this entry I am not able to find the report on the PNAS site.
Among the 9 irreversible events, I pay most attention to the ``collapse'' of the Indian summer monsoon. The BBC website states that this may happen in as near as 1 year. I hope that was a typo. This event will have the most direct effect on Asia climate, especially precipitation. Pollution caused cooling over the land, which reduces the land-sea temperature gradient and thus the driver of Indian summer monsoon. Intensified El Niño may also cause increased snow in the winter and reduce land temperature in the summer.
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