Climate change may spell disaster for Arizona’s saguaro https://www.tucsonsentinel.com/local/report/050823_saguaro_demise/climate-change-may-spell-disaster-arizonas-saguaro/
Thriving through three distinct biomes and migrating north from Mexico over several million years, the prickly giants unique to Mexico and Arizona are perhaps the region’s most distinctive feature - but for more than 20 years, almost no new saguaros have sprouted from the desert soil.
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