In this Saturday, May 4, 2013 photo, Ethan Welty, co-founder of the urban foraging website fallingfruit.org, tastes and examines a fruity seed pod from a tree at a public park, in Boulder, Colo. ... more 
In this Saturday, May 4, 2013 photo, Ethan Welty, co-founder of the urban foraging website fallingfruit.org, tastes and examines a fruity seed pod from a tree at a public park, in Boulder, Colo. Welty's website, which grew out of one of his hobbies, already points the way to more than half a million edible plants in public spaces worldwide, and it is growing. (AP Photo/Brennan Linsley) less 
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Associated Press | Photo By Brennan Linsley
Wed, May 15, 2013 9:04 AM EDT