NORWELL, Massachusetts (WBZ) — A day care company and a waste management facility in Massachusetts have teamed up to turn dirty diapers into electricity. Diapers are one of the biggest sources of U.S.

Seattleites are enthusiastic recyclers, and they can do more. But in recycling there is a law of diminishing returns, and each step needs to justify itself. Overall, the garbage not recycled costs the ...