Lorem ipsum is a simply dummy text An analysis of VER transactions shows that the voluntary carbon markets grew rapidly from 2005 to 2008. In 2008 the total transacted volume of credits in the voluntary markets was 123 million tons of carbon dioxide equivalent (CO2e). This was double the volume in 2007. In 2009 total transaction volume decreased to 94 million tons. An analysis of VER transactions shows that the voluntary carbon markets grew rapidly from 2005 to 2008. In 2008 the total transacted volume of credits in the voluntary markets was 123 million tons of carbon dioxide equivalent. This was double the volume in 2007. In 2009 total transaction volume.