Hannah Ritchie

An analysis by researcher Hannah Ritchie argues that the global shift to electrified energy systems will make the world dramatically more efficient, so total energy demand could fall even as living standards rise. The piece explains that burning fossil fuels wastes most of their energy as heat, while electric technologies like heat pumps and EVs deliver the same services with far less primary energy. Readers are debating the scale of these efficiency gains and what they mean for grid planning and climate targets.