The Year Everything Changed 2020 was unlike any other year. COVID-19 lockdowns eliminated most travel, closed offices, and fundamentally altered how we worked. This audit captures a unique – if involuntary – experiment in low-carbon living. The Numbers Total 2020 Carbon Footprint: 3.8 tonnes CO2e Reduction from 2019: 69% (12.4 → 3.8 tonnes) Breakdown Category CO2e (tonnes) Change from 2019 Flights 0.4 -94% Home Energy 2.6 -7% Ground Transport 0.6 -63% Purchases 0.