"A small piece of litter you have in your hand today could amount to billions of litters at the end of the year. Billions of money is spent just to clean up the litter that many people have thoughtlessly tossed out on the streets and other public spaces," according to litteritcostsyou.org.
When we visited the park, we picked up trash on the grass, on the playground, and even swept the tennis courts.
Unless someone like you cares a whole awful lot, nothing is going to get better. It's not. --Dr. Seuss http://www.quotegarden.com/helping.html
Have you ever seen a piece of litter in your community park? What would you do? Pick it up or leave it there?