Glass mountains on the northern tip of the Chihuahuan desert
Luc Novovitch/Alamy
For many of the twentieth century, cycles of rise and fall of desert grasses within the southwestern United States have been linked to long-term temperature cycles within the Pacific Ocean. That hyperlink now seems to have been damaged, probably as a consequence of local weather change. This could complicate efforts to revive grasslands that assist biodiversity and grazing animals.
The Chihuahuan desert covers an space of 500,000 sq. kilometers from the southwestern United States to Mexico. It accommodates a few of the most biodiverse grasslands on…
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