Now, we have super activated carbon that has been modified originally from carbon used in the dry - cleaning industry to remove toxic chemicals from clothes after the dry - cleaning process. (petbusiness.com)
Reducing carbon use through carbon taxes alone will be extremely expensive because you have to raise those taxes by multiple of the cost of the reductions you are trying to get people to make. (realclimate.org)
Very good discussion on why energy efficiency should be first and possible carbon use reductions. (energytrendsinsider.com)