This report discusses the use of biomass, its legislative history, and the proposed redefinition of biomass in legislation.

This report is intended as a primer on the policy issues, science, and governance of geoengineering technologies. The report will first set the policy parameters under which geoengineering technologies may be considered. It will then describe selected technologies in detail and discuss their status. The third section provides a discussion of possible approaches to governmental involvement in, and oversight of, geoengineering, including a summary of domestic and international instruments and institutions that may affect geoengineering projects.

The report provides an overview the Indian tribes, which are quasi-sovereign entities that enjoy all the sovereign powers that are not divested by Congress or inconsistent with the tribes' dependence on the United States. The report discusses tribal jurisdiction over nonmember Indians.

This report examines the original intent and purpose of the Berry Amendment and legislative proposals to amend the application of domestic source restrictions, as well as potential options for Congress.