Climate Change: Global Warming May Happen Faster in Certain Areas
Elevate Christian Network :: Environmental News
It’s almost universally understood that the Earth will continue to get warmer for the foreseeable future. The rate at which the planet warms, however, won’t remain the same, report Cristian Proistosescu and Peter Huybers of Harvard University. They say it’s likely to speed up.
Some parts of the planet heat up more slowly than others, they explain. But as more time passes, regions once less affected by global warming will get hotter. Thus the bulk of planetary warming this century may actually be back-loaded onto its final decades.
The analysis, published Wednesday in Science Advances, addresses the gap between two long-battling camps struggling to understand how quickly the world will warm. One group looks at the historical record and projects into the future all the warming that has already been known to occur, mainly through direct observations.
Carbon Dioxide and Rising Temperatures
Those studies have found that, once there is twice as much carbon dioxide in the atmosphere as there was prior to the industrial revolution (a level expected to be reached later this century), the temperature may rise between 1.6 degrees and 3 degrees Celsius (2.9 degrees to 5.4 degrees Fahrenheit).
Those estimates, while unnerving, are significantly lower than the projections generated by climate models held up by the other group. These are built from equations supplied by Earth physics and allow scientists to do something they can’t do in the real world—simulate how the planet behaves under various conditions over enormous periods of time. Computer models are the lab rats of climate science.
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