Because you have to make a presentation you might want to take a look at:
Researchers often start with secondary sources to help identify and understand primary sources of law.
Secondary sources include the following types of material:
Albany Law School, Government Law Online - A clearinghouse service that contains a collection of government law and public policy articles, studies, papers, and reports written by the faculty, staff, and students of the law school.
Cyburbia - A portal for many kinds of land use planning and regulation information; informative posts and forums to facilitate idea exchange.
DIRT - A legal discussion group for real estate professionals, the daily postings tend to focus on recent court opinions or other legal developments. There is a searchable archive dating back to 1995.
Environmental Law Institute - established in 1969, is a non-partisan research and education center working to strengthen environmental protection.
Georgetown Climate Center - resources for state and federal policy on adaptation, clean energy, and transportation
Harvard Project on Climate Agreement, John F. Kennedy School of Government
International Institute on Sustainable Development (IISD) - based in Canada, IISD provides reports, papers, newsletters, and other materials on subjects related to sustainable development, including international trade and investment, economic policy, climate change and energy, natural and social capital, and the enabling role of communication technologies in these areas.
Land Use Law - Maintained by Professor Daniel Mandelker, the site provides recent cases of national significance and articles on current hot topics.
Local Government Commission - see the Resources section
NYU School of Law, Guarini Center on Environmental, Energy, and Land Use Law
Pace University Law School
SignLaw - A website that focuses on the law of signs, billboards, outdoor advertising, public forum and related topics.
Sustainable Community Development Code, University of Denver, Sturm College of Law - a framework for local governments to include sustainability ideas in land use laws
Urbanicity - digital channel for urban issues, aggregates worldwide news
Advocacy and Membership Organizations
Blogs and News