N Zealand combats climate change cows - 25 Nov 08

Factories and fossil fuel get most of the blame for global warming. But researchers have found a herd of cows belches more climate-changing gas than a family car. Al Jazeera's Tony Birtley travelled to New Zealand and sent this report.

Author: AlJazeeraEnglish
Keywords: Al Jazeera English Tony Birtley New Zealand cows global warming
Added: November 24, 2008