Even if we could cut all fossil fuels, the animal industry would push us over the Paris goal. Changing what we eat is a option we all have but let's not mention that
Seriously. If everyone on earth stopped eating meat tomorrow, we would still be just as fucked as we are now.
And do we expect the meat industry to just disappear? They have lots of land and equipment that they will try to use in other ways. Maybe they'll even decide to drill for oil on their land.