Is universal veganism the only way to stop climate change?

Jeremy Corbyn’s dietary habits made headlines recently when he said he was considering going vegan. This would represent a next step for the Labour leader, who has long-been a committed vegetarian. It is welcome that Corbyn is open to having the conversation about cutting down on meat and animal products more generally. As for the rest of us, we can’t keep putting it off. Not if we want to tackle climate change.

Campaigners have of course been trying to persuade the public to eat less meat for ages. It’s more than…