@CNN: Changing our diets could contribute 20% of the effort needed to keep global temperatures from rising that critical 2°C above pre-industrial levels, according to a UN report. So why are we eating more beef than ever? https://t.co/vu4EdlJ1uK https://t.co/7B3zREeZ6T

@CNN: Changing our diets could contribute 20% of the effort needed to keep global temperatures from rising that critical 2°C above pre-industrial levels, according to a UN report. So why are we eating more beef than ever? https://t.co/vu4EdlJ1uK https://t.co/7B3zREeZ6T