Anyone who has been following the cattle emissions debate in recent years will be familiar with the term “GWP star”.
It is a metric that scientists such as Frank Mitloehner from the University of California Davis and Miles Allen from Oxford University say provides a more accurate measure of the behaviour of methane in the atmosphere than the earlier adopted and widely used GWP 100 metric.
Some scientists and journalists have been accusing the livestock industry of trying to use “fuzzy math” and creative accounting in order to earn a “free pass” on livestock…