By Roberta Attanasio The foreword of a new United Nations Environment Programme (UNEP) report starts with a poignant observation: “If food loss and waste were a country, it would be the third biggest source of greenhouse gas emissions. Food waste also burdens waste management systems, exacerbates food insecurity, making it a major contributor to the three planetary crises of climate change, nature and biodiversity loss, and pollution and waste.” The report (UNEP Food Waste Index Report 2021) was produced by the UNEP in collaboration with the partner organization WRAP, a global NGO based in the UK. It was released on March 4, 2021, and shows that substantial amounts of food…