That research was done by Oxford University over a 5 year period.
It's not a meme - it's scientific research.
But I get it, it's easier to label it a meme, so we can continue our destructive lifestyle.
And it's not just about GHG, it's also about biodiversity and habitat loss caused by the large scale animal agriculture industry.
But hey, burgers first, right?
And screw future humans having to live on a more hostile planet.