As if we needed another reason to quickly ditch fossil fuels: Cleaner snow melts much more slowly.
New modeling suggests that by burning less fossil fuels, the ailing snowpack will get a two-for-one benefit: lower temperatures on the snow’s surface and in the surrounding air. “You will start seeing a reduction of these tiny particles in the air, and they would have pretty immediate effect on the snowpack,” says Pacific Northwest National Laboratory climate scientist Ruby Leung, coauthor of a recent paper describing the modeling in Nature Communications.
The second scenario assumed a future with more clean energy technology, and so less warming than in the first scenario. This emissions reduction would still lead to a loss of 15 percent of the Tibetan plateau’s snowpack by the end of the century. But factoring in the corresponding reduction in pollution, by the year 2100 that snowpack loss would be only around 8 percent.
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