Greenhouse gassy cows

(01:04) Report

Jul 8 - Argentine scientists pioneer research aimed at reducing contaminant gases being emitted from its cows.

The study is being conducted by Argentina's National Institute of Agrarian Technology.

Katharine Jackson reports.

SOUNDBITE: Doctor Guillermo Berra, Argentina's National Institute of Agrarian Technology, saying (Spanish):
"Thirty percent of national emissions comes from emissions generated by cows."

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