How to make money from carbon soil sequestration?

The day is coming when most farmers in the developed world will earn money from storing carbon dioxide in their soils, but when and how much? It all starts with carbon measurement. As greenhouse gas emissions become an increasingly urgent issue around the world, eyes turn to farmers and their ability to store carbon in the soil (and cut emissions on-farm as well). There are already fledgling ag carbon markets in Australia, the US and Canada, with the EU market expected in 5 to 10 years, but wha