1. The amount of biomass available on the earth.2. Three values of biomass: i) food, ii) energy and iii) materials (raw organic materials and timber)3. The use of photosynthesis mechanism f or high production of biomass and f or production of hydrogen.4. The use of biomass f or energy (heat, electricity, mixed gases, hydrogen, methane, methanol, ethanol, hydrocarbons, fats, charcoal and briquette) and chemicals.5. Developement of biomass industry and its characteristics.6. Solar energy and creatures on the earth.