Therefore the production of energy from biomass releases carbon dioxide into the air — unlike the use of other renewable energy sources such as solar or wind. (store.shrinkyourfoot.org)
This is not an exhaustive list, and there are other possible wedges, such as other renewable energy technologies they did not consider. (skepticalscience.com)
Here he passes on information about his solar home and other renewable energy projects as well as some thoughts on living with less impact. (builditsolar.com)