Why don't many people take care of their communities?

I live in the Bronx, NYC. I have to admit it is really dirty here. Not in every neighborhood, but most. I understand the city can do more by taking out overflowing trash & garbage on time. However people living here have to do their part.

So often do I see individuals throwing their garbage in the streets, on buses, and trains. Instead of taking it with them and throwing it out properly they leave it anywhere and everywhere. I once witnessed some teens drinking bottles soda, then proceed to throw it at a parked car.

What’s worse is picking up after their dogs. I have to play hop scotch to get through some neighborhoods.