Environment News Service: Trees submerged in fresh water store carbon for thousands of years, keeping the carbon dioxide they absorbed while growing out of the atmosphere for a much longer period of time than trees that fall in a forest, researchers at the Missouri Tree Ring Laboratory in the Department of Forestry have discovered. “If a tree is submerged in water, its carbon will be stored for an average of 2,000 years,” said Richard Guyette, director of the MU Tree Ring Lab and research associate …