This document provides an overview of how the food service sector impacts climate change and can work to reduce its effects. It discusses how food production, processing, distribution, consumption and waste contribute to greenhouse gas emissions across the entire food chain. Specific topics covered include the carbon footprint of different ingredients in a cheeseburger, mobile apps that can track the carbon footprint of grocery purchases, and strategies food service providers can implement like shifting to more plant-based and climate-friendly menu options.