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Methane from waste food an environmental problem?

ABC Radio just ran a feature talking about the impact of methane on the environment from waste food rotting.

Agreed, wasting food is a problem, but the levels of methane produced by this is dwarfed by other sources. For instance:

• Natural plant material rotting after it dies;
• The poo from animals breaking down..
• Animals breaking down after they die...
  

Methane is a natural by product of normal environmental processes. The fact that food rots and produces methane is nothing new.

Also the '21 times more powerful than Co2' statement is not proven and does not take into account the carbon 'consumed' in the production of said food. For a more detailed discussion on this, see this article.

In all, I consider this a lot of 'hot air' and a desperate attempt to keep the global warming/climate change meme running in the media. Nobody is interested any more, better luck next time.