Pichetto, 'food waste weighs on the environment and energy' - Infrastructures & Cities. "The mismanagement of food - states the Minister of the Environment and Energy Security Gilberto Pichetto - is a serious ethical issue" The minister explains that "when we talk about the fight against waste we are fully within the climate challenge": to win it, even in this field we must focus on the best practices that come from the most different productive and social realities.