Their "natural" Carbon Footprint is proportional to the vegetation growing on their soil, rotting away to produce CO2 and CH4 gases.
Biochar can improve their soil's resistance to Climate Change. Targeting their remotest areas, where local employment is lowest and fuel costs are highest due to supply line distance.
Bonus production of bio-Methane (CNG) gas helps these communities' economy, and sequesters carbon at the same time - Possibly equal amounts to their Fossil Carbon extraction economy - Overall Net Zero Carbon, or better ...
As this economy matures and extends, biotechnology can compete and prosper within their currencies. Knowledge Economies add themselves as better methods are understood and value added exports become reality.