<P> Featured in an edition of The Economist that predicted events in 2014, it was revealed that Massachusetts creates roughly 1.4 million tons of organic waste every year . Massachusetts, along with Connecticut and Vermont, are also going to enact laws to divert food waste from landfills . </P> <P> In small and densely populated states, landfill capacity is limited so disposal costs are higher ($60--90 per ton in MA compared to national average of $49). Decomposing food waste generates methane, a notorious greenhouse gas . However, this biogas can be captured and turned into energy through anaerobic digestion, and then sold into the electricity grid . </P> <P> Anaerobic digestion grew in Europe, but is starting to develop in America . Massachusetts is increasing its production of anaerobic digesters . </P> <P> The main environmental threat from biodegradable waste is the production of methane and other greenhouse gases . </P>

What is the difference between biodegradable waste and hazardous waste