Roos have less impact on the environment: study

A comparative study of the energy requirements of kangaroos and sheep has concluded roos have far less impact on the environment than once thought.

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<p><a href="http://www.physorg.com/news161752427.html">Roos have less impact on the environment: study</a></p> <p>A comparative study of the energy requirements of kangaroos and sheep has concluded roos have far less impact on the environment than once thought.</p>