US Energy Information Administration
U.s. Eia Energy Kids: Renewables: Biomass
Comprehensive overview of the use of biomass as a renewable energy source. Learn what it is, its forms, its uses, and its impact on the environment.
Energy for Sustainable Development
Esd Bulgaria: Kids & Energy: Energy Timelines: Wood Fuel
A brief explanation of the use of wood as a fuel in the past, followed by an unrelated timeline of the history of waste management.