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I don't think people will stop consuming meat if you ask them nicely. You have to make decisions that will hurt the meat industry and make it infeasible. This would likely best be achieved through slowly dropping tax incentives, and transferring them over to alternatives so that people have something equally economical to today's meat. |
People do not traditionally eat that much meat because meat used to be expensive and its supply limited.
This is still the case in poor countries.
In developed countries, people started to eat more and more meat as they got richer because we naturally like meat and because of clever marketing.
We now eat too much meat, and also consume too much dairy (adults don't need to drink any milk and many don't digest it well, by the way). If people just stopped eating meat at every meal or every day, consumption would drastically drop without too much of a change in daily life.
One solution would be measures to increase prices but that is a political minefield.