Environmental sustainability

No perfect solutions.
Just ones that work.

Edward runs the numbers on environmental solutions — not to find the perfect answer, but to find out what actually works economically, practically, and at scale. No ideology. No greenwashing. Just results.

Dirt Honest: What Biochar Actually Does for Your Soil

Biochar has been around for thousands of years. It works. But the claims around it have got ahead of the evidence — so let's look at what it actually does, who's making it properly, and whether the numbers add up.

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Discovery
"The thing about biochar is that it's been sitting there, under Amazonian rainforests, as evidence, for two thousand years. We just weren't looking."

4 April 2026 · 9 min read

About Edward

A retired engineer who got tired of watching good ideas fail

Edward spent decades in environmental engineering watching promising solutions fall apart because nobody checked the economics. Runs The Numbers is his attempt to do that checking in public.

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More pieces in progress — check back soon.