The Verified Carbon Standard has the bulk of the market share.
The most expensive carbon offset was the J-VER ($120/ton), from Japanese forest management.
A total of 93 MtCO2e were sold in 2011 for a total of $574 million. The average price for Verified Emissions Reductions ( VERs) in 2011 was $6.2/tCO2e Prices increased since 2011 due to "highly charismatic projects" e.g. Wonderbag
Learn more in the full report by Bloomberg and Ecosystem marketplace.