from BBC News - World https://bbc.in/2WxTXFi
Friday, February 1, 2019
Polar vortex: Whatever happened to global warming?
With the US in the grips of a bone-chilling spell, scientists take a look at longer-term implications.
from BBC News - World https://bbc.in/2WxTXFi
from BBC News - World https://bbc.in/2WxTXFi
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