The identity of the Seri is integrally tied to their natural environment, which in recent years has been susceptible to an increasing number of existential threats.
The hardy cactus - fond of heat and aridity, adapted to rough soils - might not seem like the picture of a climate change victim. Yet even these prickly survivors may be reaching their limits.
Fires accelerated by climate change, along with invasive plants and urban sprawl, threaten the saguaros, a keystone species of the Sonoran Desert and a celebrated symbol of the Southwest.
Global warming will lead to a significant increase in the frequency and severity of extreme heat across the contiguous states, according to the Union of Concerned Scientists.