3)The amount of8000 waste each person creates has almost 6000 doubled from 1.2 to 2 kilograms per day 4000 in American 2000 1988198919901991199219931994199519961997199819992000 (4) The number of landfill site has decreased by nearly 70% The most effective way to solve the problem is by reducing waste in the first place, i. e. Stopping waste before it happens. Source reduction first, recycling and composting second, and disposal in landfills or waste combustors lastThe most effective way to solve the problem is by reducing waste in the first place,i.e. Stopping waste before it happens. (3) The amount of waste each person creates has almost doubled from 1.2 to 2 kilograms per day in American 2.0 2.0 1.7 1.5 1.2 0.0 0.5 1.0 1.5 2.0 2.5 1950 1960 1970 1980 1990 2000 2010 Year Per Capita MSW Generation.. (Kg per person per day)... MSW generation Source reduction first, recycling and composting second, and disposal in landfills or waste combustors last. (4) The number of landfill site has decreased by nearly 70%;