From Today's New York Times
NOVEMBER 9, 2009
31) is simply wrong in suggesting that grass-fed beef produces less methane than feed-lot meat. In any case, globally, only 8 percent of all meat is produced in natural grazing systems, and there is little available unforested land suitable for such systems. To replace factory-farmed meat without further tropical forest destruction is impossible. Peter Singer Geoff Russell Barry Brook New York, Nov.