Vegans and vegetarians have a new reason to feel virtuous.
A recent UK based study suggests diets low in meat.
particularly beef and lamb
take less of toil on the environment
if a typical carnivore switched to eating ike a typical vegan, his or her dietary carbon footprint would be halved, says epidemiologist Peter.
Even consuming 50 % less meat,he says, can trim annual emissions "by an amount equivalent to a jetliner flight from London to NY.