What do you do when you lose someone you love? The 2011 Japanese tsunami took the lives of many people. In recognition of the UN's "World Tsunami Day", Liz Waid and Bruce Gulland tell about a man who created a way for people to talk to those they...
How can people get fresh food in the city? Liz Waid and Bruce Gulland look at the growing market of vertical farming. Can these city gardens be better for people and the environment?