Caroline Steel

Caroline is a science presenter and journalist, hosting the podcasts Unexpected Elements and CrowdScience on the BBC World Service. She also presents The Engineers, in which she chairs conversations with world-leading experts for the BBC World Service.

‘Pet food accounts for similar levels of global greenhouse gas emissions to the entirety of the Philippines.’ Which animal has the highest carbon footprint?

While it’s a term we mostly use in relation to humans, can we work out the carbon footprint of animals?