David Suzuki | When you factor in pollution-related illness and mortality, cars are a leading cause of death and injury. They're also a major contributor to climate change. Is it time to apply the brakes?
Photo: Stephen Rees/flickr
Marc Lee | The choice of owning a car works out to about $5,000 per year for us, a figure that covers amortization, insurance, maintenance and gas.
Adam Bemma | North America's first car sharing network.