TREATISES AND PRACTICE MANUALS

• Environmental law / William H. Rodgers, Jr
• Treatise on environmental law / Frank P. Grad
• Environmental law in a nutshell / by Roger W. Findley, Daniel A. Farber
• Specialized legal research / Penny A. Hazelton, general editor
• Environmental law deskbook / Environmental Law Institute 

LOOSELEAF SERVICES

• Environmental law reporter : a project of the Environmental Law Institute
• Environment reporter: BNA
• Daily environment report: BNA
• Environmental Law Reporter News and Analysis
• Comparative Environmental Law and Regulation 
  A multinational english-language compilation of domestic environmental law and legislation

ACTS AND RELATED MATERIALS

National Environmental Policy Act, 42 U.S.C. § 4321

• The National Environmental Policy Act : an agenda for the future / Lynton Keith Caldwell

Clean Air Act, 42 U.S.C. § 7401

• The Clean Air Act handbook / Robert J. Martineau, Jr. and David P. Novello, editors
• Clean Air Act : interpretation and analysis / James P. Lipton, editor

Clean Water Act, 33 U.S.C. § 1251

• Clean Water Act / Joel M. Gross, Lynn Dodge
• The Clean Water Act and the Constitution : legal structure and the public's right to a clean and healthy environment / Robin Kundis Craig

LEGISLATIVE HISTORIES

• Congressional Research Reports
• Legal compilation; statutes and legislative history, executive orders, regulations, guidelines and reports
  published by the EPA
• Yale Law Library Legislative History Guide

INTERNATIONAL RESOURCES

• Research Guide
  Global Warming: A Comparative Guide to the EU and the US and their Approaches to the UN Framework Convention on Climate Change and the Kyoto Protocol
• Research Guide
  A Basic Guide to International Environmental Legal Research
• International Energy Treaties
  A comprehensive database of full-text bilateral and multilateral energy treaties; browse by subject or party, search by keyword, subject, title; free registration
• International Environmental Agreements
  A comprehensive database of full-text, bilateral and multilateral environmental agreements, secretariats, and data sets

• Natural Resources
  University of Denver's Environmental and Natural Resources Law Program's portal to finding country-specific legislation, international treaties, journals, and websites for foreign and international environmental law research

NON-LEGAL GUIDES AND DATABASES

• ENVIROnetBASE
  Full text access to environmental handbooks published by CRC Press
• Environment Complete
  Environment Complete covers broad areas of environmental policy and issues, natural resources, and urban planning; indexes over 1600 journals, magazines, and 100 selected monographs; 600 of the source titles are available in full-text as well.
• Environmental Sciences and Pollution Management
• AGRICOLA
  Fields covered: agriculture, entomology, plant and water sciences, animal sciences, and natural resources literature
• Yale Multi-Database Search
  Platform that allows users to search across a spectrum of subjects and indexes.