Stark Differences in Climate Impacts Between 1.5 and 2 Degrees of Warming

This article discusses the differences between 1.5 and 2.0 degree Celsius increase in temperature. It is not good. A difference of just half a degree of global warming, from 1.5 to 2 degrees Celsius, would mean that an additional 5 million people worldwide will have the land where their homes are located be permanently submerged underwater, according to a new study published in the journal Environmental Research Letters.

The research, led by scientists at Princeton University, analyzed the global impacts on sea levels of 1.5 degrees C of warming, the current target of the Paris Agreement, compared to 2 and 2.5 degrees. It looked at data from tide gauges across the globe and created local sea level rise projections. The scientists examined what would happen to everyday sea levels, but also to extreme sea-level events, such as storm surges.

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