![](https://d.newsweek.com/en/full/2425280/floridas-key-largo-cactus-extinct.jpg)
US Sea Level Rise Causes First Local Extinction—'We Are on the Front Lines'
The United States has seen its first local extinction due to rising sea levels, researchers have warned. The Key Largo tree cactus, once a rare but notable part of Florida's biodiversity, has succumbed to increasing environmental stresses and no longer …