Attribution researches the influence of climate change on local weather and impacts. We issues alerts in many instances when the Climate Shift Index identifies a notable extreme weather event around ...

Trees transform our villages, workplaces, and homes, making them more vibrant and inviting. Each tree has a story to tell, deeply rooted in the community it embodies. Today, I want to highlight the ...

In the middle of the exhibit hall at the University of Arizona’s Laboratory of Tree-Ring Research stands a 4,000-pound sample of a Giant Sequoia that began its growth in 212 A.D. and fell in 1915. The ...