Plenty of good free medicine for all medical marijuana patients.
People spay and neuter your pets.
People become more sensitive to the enviroment. Choose 3 things to do from this list:
compost
drive a hybrid
ride a bike
line dry your laundry
wash clothes in cold water only
use grey water for landscape
carpool
replace your regular light bulbs with cfl's (no brainer)
Walk instead of driving only a block or less
reduce, reuse, recycle