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infrastructure

climate

+3

🏗️ The world's most-used material is quietly eating its own carbon

Aug 23, 2026

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2 min read

🏗️ The world's most-used material is quietly eating its own carbon

Concrete pollutes. It also slowly drinks CO2 back out of the air. Both are true.

systems thinking

+3

🟤 The metal in your walls is suddenly critical

Aug 22, 2026

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2 min read

🟤 The metal in your walls is suddenly critical

Why the most ordinary metal suddenly matters to you