This summer, New York City is expanding food waste recycling into more neighborhoods, with an eye toward eventually making the program mandatory. Officials are hoping the changes will help improve on the city's dismal recycling rate, which remains stuck at 15 percent.
The biggest attraction at the annual Farm Show in Harrisburg, Pa., is always a giant, 1,000-pound sculpture crafted from butter. Once this year's show wraps up, all that beautiful butter will go right into a manure pit to become methane gas.
Many airports send their discarded french fries, burgers and Cinnabons to the landfill. But Charlotte Douglas International plans to transform that garbage into fertilizer for flower beds. All it needed was a couple of million red wiggler worms.