Doctors in British Columbia are now prescribing time outdoors as medicine. While science can't explain why it works, there are many health benefits to being out in nature. Raymond Chipeniuk, adjunct professor for the School of Planning and Sustainability at University of Northern British Columbia and Ph.D. in Regional Planning and Resource Development, joins Tamara Cherry to explain the importance of getting outdoors and how urban planning could improve green spaces for people living in major centres.