Biomass and Biomass Energy ：
In broad, biomass includes all plants, microorganisms, animals that eat plants and microorganisms and their waste products. Things like crop, crop waste, wood, wood waste and animal manure are representative biomass.
In narrow, biomass mainly refers to the productions other than grain and fruit during agroforestry process, and waste in the livestock production process. For example, straw, trees and other lignocellulose (referred to as lignin); agricultural products processing industry waste; agricultural and forestry waste; and livestock manure and waste.
Characteristics: Renewability; Low pollution; Wide distribution
Biomass Energy: Biomass energy is a energy form in which solar energy is stored in the form of chemical energy, directly or indirectly derived from the photosynthesis of plants.