The Race to Reinvent Cement

The material that built the modern world is due for an upgrade. What if we could transform cement from a climate wrecker
into a carbon sponge?

Human waste is a terrible thing to waste

Off-grid energy production is becoming affordable for smallholders, restaurants, and even families—thanks to a startup’s innovative biodigesters that turn food and feces into carbon-neutral cooking gas, fertilizer, and hot water.

Biogas
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