Overview Carbon Water Waste Ecosystems Appendix 5 How we work Taking a Our seven principles principled approach Whenever Microsoft takes on a new and complex societal issue, we strive first to learn and then to define a 3 principled approach to guide our 1 5 7 efforts. In 2020, we did the same Grounding in science Investing in Ensuring effective Enlisting our with environmental sustainability. and math. new solutions transparency. employees. and technology. 2 4 6 Empowering Using our voice on Taking responsibility customers and climate-related public for our footprint. partners around policy issues. the world.