For many generations of native people, spring in the Sonoran Desert meant it was time to harvest cholla buds. Now, there is new interest in the prickly plants as a sustainable local food source.
AZPM's Christopher Conover dives into the glass enclosed ocean at Biosphere 2; 'From time to time, my job lets me go and do things on my bucket list,' he says.
Environmental Impact Statement for Kinder-Morgan's Sierrita Pipeline didn't find major negative impacts; County administrator says it could create second smuggling corridor.
“...changes are already occurring in the Southwest...with increased warming, these problems will only get worse," says UA professor, one of study's authors.
"For all of the sort of graphic and horrible qualities of the fire that made it so compelling to the general public, I don't think it taught the fire community anything," argues Stephen Pyne, fire historian at ASU.
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