To my simple mind it is evidence in writing that the BBC is biassed, They comissioned the Oxford Martin school to talk about meat knowing full well what their agenda is having interviewed them many times this year already, So it was a deliberate move by the Beeb to give them a mouthpiece without any attempt to give their news reporting any semblance of balance. Now we know, and we also know not to trust the OurWorldinData company engaged by the Martin School.