Can cement fight climate change? Andy Onyango says yes — and he’s proving it.

In this episode of Climate Hive: What Do You Solve?, we sit down with Andy Onyango, founder of Zen Carbon, to talk about the groundbreaking innovation behind their sustainable cement alternative — one that captures CO₂ rapidly, reduces material use, and outperforms traditional options on durability and cost.

Andy shares:

How Zen Carbon’s cement tech works

Why CO₂ capture is central to the solution

The startup story behind the science

What it means to innovate from the Global South

The systemic biases founders face — and how his team is flipping the script by thinking globally and acting locally in Kenya

If you're interested in climate tech, materials science, or the future of sustainable construction, this conversation is for you.

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