What if companies delivered to your door and came back for the packaging?

The companies that sell you stuff online will eventually use their delivery systems to start picking up used stuff and packaging, as western countries move closer to zero-waste, “circular” economies. People leasing the stuff they once bought — from clothing to electronics — is another idea on the horizon for some 500 Canadian and international waste-management specialists, as they prepare to meet Thursday at the Vancouver Convention Centre East for the annual Zero Waste Conference organized by the Metro Vancouver Regional District.