An estimated 150,000 buffalo roam remote areas in the country's north, in a seemingly unobtrusive manner. But their tendency to burp out vast amounts of methane is making a significant contribution to global warming, according to Charles Darwin University professor Stephen Garnett.
"Each adult buffalo produces the equivalent of about a tonne of carbon dioxide each year and they live quite a long time," he told ABC News over the weekend. "So that is a reasonable amount of carbon dioxide they are producing." More...
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