A small fraction of U.S. farmers who have pursued contracts for capturing carbon in the soil – an incentive for climate mitigation – say the going rate is $20 an acre or less, said Purdue University on Tuesday. Companies that sell carbon credits to entities trying to offset their greenhouse gas emissions say the market is still in its infancy and prices will become more robust as demand rises. Payment rates of $15 or $20 are commonly mentioned at present for each ton of carbon dioxide that is sequestered or preserved through reduced emissions. More >>