About 3800 composting facilities are in use in the United States while 57% of yard waste were composted 7 200 6521 14 171 5 2 20)169 Fig. 14 States with yard waste bans and the number of composting program in each stateAbout 3800 composting facilities are in use in the United States while 57% of yard waste were composted. Fig. 14 States with yard waste bans and the number of composting program in each state