This resource explains biomass and biofuels and how they are used as alternative forms of energy.
This resource explains geothermal energy and how it is used as an alternative form of energy.
This resource explains hydropower and how it is used as an alternative form of energy.
This online informational resource provides background content and reference material about oil: formation, production, offshore drilling, the refining process, and impacts on the environment.
This resource explains solar energy and how it is used as an alternative form of energy.
This resource explains wind energy and how it is used as an alternative form of energy.