"Watching the signs of the times has led Markham's Cognovision to do a global business"

Tom Rand, Practice Lead, Cleantech and Physical Sciences, MaRS Discovery District explains the 'soft' problems and difficulties in deploying green technologies.

It's Net Change Week at MaRS and tech-biz thinker Don Tapscott is asking us to rethink how, well, just about everything operates. It's a new way of doing things, and Toronto's social innovators like Michelle Hamilton-Page at Toronto Public Health are helping lead the way.

Tom Rand spoke with CBC News in June while taking a break from promoting his book Kick the Fossil Fuel Habit: 10 Clean Technologies to Save our World in Europe about why the world should kick its oil addiction - and why he thinks it's possible.