1,000 Years of Tree Rings Show Just How Hardcore the 2021 Pacific Northwest Heat Wave Was
In June and July 2021, an extreme heat wave swept across the historically temperate Pacific Northwest, killing hundreds of people and cooking over a billion sea creatures. Now, scientists have used information etched into tree rings to demonstrate that, yes, the heat wave was unlike anything the region had seen in a millennium.Could NASA's Electric Airplane Make Aviation More Sustainable?A study published in the journal Climate and Atmospheric Science looked at tree rings in the Pacific Northwest going back over 1,000…