… Food waste in the catering sector Generating buffet leftovers is also a waste of resources that burdens the environment. Source: Nuvola / Fotolia.com Food production consumes many resources and produces greenhouse gas emissions. For the sake of the environment food waste should be prevented. A … per capita per year. It is an amount which corresponds to half a football pitch in land take, 84 full bathtubs of water and greenhouse gas emissions equal to a …