Having a barbecue outside with family and friends is a popular summer activity. You might have used an aluminium portable barbecue to cook your vegetables and meat for this. But there is a problem: it is not sustainable. Danish company CasusGrill has developed a biodegradable 100% natural single-use grill. European Business talked to founder and CEO Carsten Nygaard Brøgger about the advantages of the CasusGrill and found out how you can decrease CO2-emissions.