As common as throwing garbage away is, it is also highly problematic when it is taken as a whole. The U.S. commonly throws away 250 million tons or more of garbage annually, consuming more than 3,500 acres of land in the process. There is something very passive about throwing garbage away: put it in the basket and watch the truck haul it away. It is the 'don't ask, don't tell' solution to waste disposal.
Read more: http://www.doityourself.com/stry/5-different-types-of-waste-disposal-systems-explained#b#ixzz38by8npLz