I remember seeing a talk by a scientist who wrote a book about it, bc he thought it was a more solvable problem than the glass thing, since we're mostly talking about human behavior changes and not architectural changes. But getting ppl to change how they act is hard, esp when feelings are involved.
Some places in the city it's worse than others. Pet owners here are very resistant to reining in their pets. Aw! What a great end to a rescue! My last cat was also a rescue. :)