George Monbiot Q&A: live!

Join Guardian columnist George Monbiot for a live Q&A on the environment, consumerism and ethics from 10-11am BST11.02am BSTFrederick Smith asks: Obviously a vegan diet significantly reduces our environmental impact. But some specialist vegan foods which would encourage a lot of people to convert are too expensive for the average customer. Do you think there is a growing cultural elitism when it comes to ethical lifestyles?As well as this, what is the environmental impact of for instance, so