Climate change food calculator: What is the carbon footprint of your diet?

Avoiding meat and dairy products is one of the biggest ways to reduce your environmental impact, according to recent scientific studies.

Switching to a plant-based diet can help fight climate change, according to a landmark report by the UN's Intergovernmental Panel on Climate Change (IPCC), which says high meat and dairy consumption in the West is contributing to global warming. But what is the difference between beef and chicken? Does a bowl of rice produce more greenhouse gases than a plate of chips? Is wine more ecological than beer? To find out the impact of what you eat and drink on the climate, choose one of the 34 items in our calculator and choose how often you consume it. (More on BBC.com)