1. SOLID WASTE:
Garbage in, compost out in trend-setting Toronto

NORTH YORK, Ontario -- Truckloads of food scraps, diapers, animal waste, paper products, pet food and other rubbish from Canada's largest city come to a sprawling industrial facility here every day and leave as compost for gardens and parks. Toronto's 6-year-old "Green Bin" organic waste program keeps almost a third of the city's residential garbage out of the dump, creates a potential source of electricity and reduces landfill emissions of methane, a greenhouse gas that is 23 times as potent at warming the atmosphere as carbon dioxide. Go to story #1