A new study says beef production is very [damaged / damaging] to the environment. It damages the environment around ten times more than the [production / product] of pork, lamb, chicken or [other / another] farm animals. Scientists said [cow / cows] need 28 times more land and 11 times more water than pigs, sheep or chickens. They also [product / produce] a lot of greenhouse gas [after / then] they eat. Compared to food like potatoes, wheat, and rice, beef production [needing / needs] 160 times more land and produces 11 times more greenhouse gases. The scientists said farming (of livestock and [crop / crops] ) is a major [case / cause] of global warming. It causes 15 per cent of all greenhouse gases. About half of this is [from / for] livestock. One scientist said we could all [reduce / low] our carbon footprint by eating [less / fewer] beef. Professor Mark Sutton from the Centre for Ecology and Hydrology in the UK said [cuts / cutting] down on the amount of beef we eat is better for the environment than [uses / using] the car less. He also said that if we ate less beef, we could [use / have] the wheat that farmers give to cows to feed [starving / starvation] people. He said this sounds [sample / simple] , but many governments would not try to do it. Professor Sutton said: "Governments should [considerate / consider] these messages carefully if they want to improve [overall / overalls] production." He added: "The message for the consumer is even stronger. Avoiding excessive meat consumption, [especially / particular] beef, is good for the environment."