If you hadn’t heard by now, around 20 percent of our planet’s greenhouse-gas emissions come from cow “emissions.” Cadbury has decided to tackle this challenge head on and encourage cows to burp less in order to reduce the carbon footprint of the company’s chocolate products.

Experts say that nearly two-thirds of all carbon emissions involved in the creation of its chocolate comes from the milk used in its product. In fact, a single cow reportedly has the same annual methane emissions as that of an average family car.

Cadbury is hoping to cut down on this number by encouraging its dairy farmer suppliers to change the dietary habits of the cattle that they raise. This, in turn, will change how bacteria in the cow’s stomach will break down the food and turn it into methane gas.

According to one study on the subject, dietary changes could reduce up to 50 percent emissions per year.