Sign up to receive our latest reporting on climate change, energy and environmental justice, sent directly to your inbox. Subscribe here. The jet stream—a powerful river of wind high in the atmosphere—shapes the Northern Hemisphere’s weather, including bitter cold snaps. Because it plays a key role in weather extremes, climate scientists are striving to understand […]
The polar vortex is going to make you put on a sweater. Be afraid. Be very afraid.
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