In this Saturday, May 4, 2013 photo, Ethan Welty, co-founder of the urban foraging website fallingfruit.org, climbs a tree looking for edible fruit, at a public park, in Boulder, Colo. Welty's ... more 
In this Saturday, May 4, 2013 photo, Ethan Welty, co-founder of the urban foraging website fallingfruit.org, climbs a tree looking for edible fruit, 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 
1 / 5
Associated Press | Photo By Brennan Linsley
Wed, May 15, 2013 3:31 PM EDT