In 1974 the Subcommittee on Air and Water Pollution of the United States Senate Committee on Public Works changed its name to Subcommittee on Environmental Pollution. The Subcommittee retained this name in 1977 when the parent committee became the Committee on Environment and Public Works. Works by these bodies are found under the following headings according to the name used at the time of publication: United States. Congress. Senate. Committee on Public Works. Subcommittee on Air and Water Pollution. United States. Congress. Senate. Committee on Public Works. Subcommittee on Environmental Pollution. United States. Congress. Senate. Committee on Environment and Public Works. Subcommittee on Environmental Pollution. SUBJECT ENTRY: Works about these bodies are entered under the name used during the latest period covered.