Avoiding meat and dairy products is one of the biggest ways to reduce your environmental impact, according to recent scientific studies.
But what is the difference between beef and chicken? Does a bowl of rice produce more climate warming greenhouse gases than a plate of chips? Is wine more environmentally friendly than beer?
To find out the climate impact of what you eat and drink, choose from one of the 34 items in our calculator and pick how often you have it.
Read the full article and find out how your food choices impact the environment with the carbon footprint calculator here.
By Nassos Stylianou, Clara Guibourg and Helen Briggs for BBC.