InsideClimate: Extraordinary melting in Greenland's ice sheet last summer was linked to warm air delivered by the wandering jet stream, a phenomenon that scientists have increasingly tied to global warming.
This interplay of climate phenomena, described in a new study in the journal Nature Communications, is more evidence of the complex ways in which the Arctic's climate is heading for "uncharted territory," said the study's lead author, Marco Tedesco.
The study adds to an emerging theory on the effects of...