The deadly attack at a mall in Kenya has a lot of people concerned about "soft targets" here in the U.S. Michel Martin speaks to security expert Clark Kent Ervin for more on how locations like malls, sports arenas and churches can stay safe.
Originally published on Fri September 27, 2013 2:03 pm
From vacant lots to vertical "pinkhouses," urban farmers are scouring cities for spaces to grow food. But their options vary widely from place to place.
While farmers in post-industrial cities like Detroit and Cleveland are claiming unused land for cultivation, in New York and Chicago, land comes at a high premium. That's why farmers there are increasingly eyeing spaces that they might not have to wrestle from developers: rooftops that are already green.