A biogas plant can make renewable fuel and still leave a nitrogen problem behind. Bion Environmental Technologies wants to turn that leftover liability into organic fertilizer - and a business that pays.

After three decades around Bion, Craig Scott took the CEO’s chair with a practical question: could recovering nitrogen from waste become a business that pays its way? His answer starts with fertilizer, and runs through the less glamorous work of rebuilding a company.
A shared workspace in Kampala grew into a proving ground for Ugandan entrepreneurs. Its real work happens between a promising idea and a business that can pay its bills.