PBS News Hour

Climate change threatens the survival of an iconic cactus

The saguaro cactus is being threatened by drought conditions and rising temperatures. Scientists surveying Saguaro National Park in Arizona say the situation is increasing the mortality rate of young saguaros. Stephanie Sy has more on what those trends mean for ecosystems in the Sonoran desert.

Climate change threatens the survival of an iconic cactus

5m 58s

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