One more fact about biomass is that all the carbon used to construct biomass is all absorbed from the atmosphere as carbon dioxide (CO) by the plant life, using energy all from the sun. As you can see, biomass is a really good energy source for a lot of reasons. If biomass was not used carefully or correctly it can damage all the ecosystems. It can also produce harmful air pollution and consume all kinds of large amounts of produce, net greenhouse emissions, and water.

A little more information about Biomass:

There are five basic categories of material:

Food Wastes, from drink and food manufacture
Energy Crops: a high yield of crops grown for energy applications
Virgin wood, from forestry, activities from wood processing
Industrial waste and co-products from industrial processes and manufacturing
Agricultural residues: residues from agriculture processing or harvesting