"One of the biggest single sources of greenhouse gases and other pollution to our atmosphere are landfills. They decompose over time creating methane and other greenhouse gases."
"In urban areas as much as 40 percent of all trash is food waste."
-- Modern Marvels Environmental Tech II
In nature this process takes months, but with an indoor composter supercharging waste for the perfect oxygen, moisture content and temperature, compost can be made in as little as two weeks.