What is the benefit to a society if everyone reduces the amount of meat they eat?

The benefits are related to a decrease in the amount of water that is consumed by cattle raising and a decrease in the amount of methane release to atmosphere.

Explanation:

If everyone reduces the amount of meat they eat, there will be a a decrease in the number of animals destined to cattle raising. Cattle raising needs a big supply of water so, if the quantity of meat produced diminish, the amount of water consumed by this activity will diminish too. At the same time, cattle raising are known to release methane to atmosphere, so this is another benefit for the society.

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