Section 844-23 (PDF) of the Toronto Municipal Code states that:
No person shall:
[…]
C. Pick over, interfere with, disturb, remove or scatter any waste set out for collection unless authorized to do so by the General Manager
That’s right garbage pickers, you’re breaking the law: according to the city, one man’s garbage is not only not another man’s treasure, but it’s also a $10,000 fine for a first offence. And you thought you were doing something for the environment by keeping that old desk out of the landfill. Hrmph.