Electricity drives us towards a cleaner, more efficient, and more versatile world of energy, a world we need to care about individually to manage finite resources, environments, and inhabitants. The backbone of this move towards a cleaner world requires a safe, modern, efficient, and reliable power supply needs; for this, we need smart electrification. The pressures of globalization, climate change and urbanization will shape how and where we live. In a keynote at Hannover Messe 2021, Matthias Rebellius is a Member of the Managing Board of Siemens AG and CEO of Smart Infrastructure, argues as the world changes at a growing and rapid pace, sustainability will become at the forefront of everyone’s mind.