A "polar vortex" is bringing intense cold and heavy snow to large swaths of the US and Canada. How is this winter weather related to climate change?
from DW Environment https://ift.tt/J4vgjED
from DW Environment https://ift.tt/J4vgjED
A blurring of the distinctions between seasons is also a challenge for insects and their predators. from BBC News https://ift.tt/0iNCXV8
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