Why do so many dog walkers leave poop bags behind? Here's why it matters.

If you walk dogs you're expected to pick up after them. Here's why what you do with that waste really does matter.
WREG-TV Memphis on MSN

Why do people leave dog poop bags on the ground?

A Scituate woman posted signs near her home after she noticed people dumping dog waste bags on the ground. WBZ-TV's David ...