e13.    What is biomass?

One large tree has the cooling power of five average air conditioners running 20 hours per day.  Biomass is organic matter that supplies about 11% of the world's fuel. It is renewable as long as the material is not used faster than it can be re-planted and grow back. Using bacteria and various chemical processes produces biofuel. The results are biogas, liquid ethanol, and liquid methanol.

g06.    What are some of our energy resources?

g16.    What is matter?

g17.    Is some matter more useful than other matter?

m01.    How much public land is there and how is it used?

m03.    How can the forests, as resources, be sustained?

m06.    How can rangelands be responsibly managed?

m16.    How are forests of commercial importance?

m18.  To whom are rainforests important?

m28.    How is biomass used for energy?  

m62.    Are there other methods of dealing with solid waste?