Climate: Last northern summer was the warmest in more than 2,000 years, tree rings show - The Associated Press
- Climate: Last northern summer was the warmest in more than 2,000 years, tree rings show The Associated Press
- Ancient trees unlock an alarming new insight into our warming world CNN
- Summer 2023 Was the Northern Hemisphere's Hottest in 2000 Years, Study Finds The New York Times
- Temperatures measured during summer 2023 'unparalleled' to past 2,000 years, researchers say ABC News
- Summer of 2023 was the hottest in 2,000 years in some parts of the world, researchers say CBS News