Carbonle #47 — July 17, 2026

Today: the stuff you buy

The order that day, lightest footprint to heaviest.

• 1🛍️A plastic bagTiny on its own. The problem is making billions of them.0.04 kg CO₂e
• 2☕A ceramic mugFiring clay in a kiln is hot, energy-hungry work.0.75 kg CO₂e
• 3👟Running shoesOne pair of trainers, and almost all of it is the factory, not the road.14 kg CO₂e
• 4🛏️A mattressFoam, springs and fabric in a big block. Heavier than it looks.110 kg CO₂e
• 5💻A laptopMost of a laptop's footprint is decided in the factory. It outweighs a bicycle to build.220 kg CO₂e

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