Glorious rubbish, have we been wasting your energy all along?

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Caieiras, Sao Paulo: As Australia debates the need to spend money on renewable energy projects to power our future without destroying the environment, it is worth taking a look at rubbish.

  • Lia Timson
  • WAtoday

Is this never-ending resource being used to our advantage? What if, instead of just seeing it as something to get rid of, we put it to work?

That is a question environmental engineer Marcelo Camargo, manager of one of the world’s largest biogas electricity generators on the outskirts of Sao Paulo, Brazil, asked himself.

Rubbish tips produce copious amounts of methane gas which must be allowed to escape to avoid combusting the…

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