Gregory T. Haugan, PhD, PMP, is the owner of GLH Incorporated specializing in project management support for both U.S. and international organizations. He has over 40 years' experience as a consultant and as a government and private sector official in the planning, scheduling, management and operation of projects of all sizes; and in the development and implementation of program management information systems. Dr. Haugan has led courses for the Rappahannock Institute for Lifeline Learning, RILL. They included: Development of Human Societies: Lessons for the Northern Neck of Virginia with major emphasis on current problems with potential shortages in energy and water resources. This was followed by: Oil, Energy and Global Warming. It recognized the indivisibility of the topics, presented current theories and discussed the relationship to the Northern Neck of Virginia and what actions were warranted. In addition he has presented two courses on Climate Change and Global Warming addressing the issues of the science, the impact and the mitigation actions which addresses the various claims and theories with regard to global warming phenomena and its current and projected impact on our lives. His interest and knowledge in these areas led to the current book. He has written five project management books published by Management Concepts, Inc. of Vienna, VA. "Effective Work Breakdown Structures" published in 2002; "Project Planning and Scheduling" also published in 2002; and "The Work Breakdown Structure in Government Contracting" published in 2003 and "Project Management Fundamentals" was published in 2006 and the Second Edition was published in late 2010. Two of the books have been translated into Japanese and Chinese. He and his wife currently live in Heathsville, Virginia. For recreation he hiked the 100 mile West Highland Way trail in Scotland in 2006, the year before climbed Mt. Whitney in California. Also the year before that he hiked the Lolo Trail in Idaho, which followed the Inca Trail in Peru, and the Chilkoot Trail in Alaska. In 2010 he hiked trails in Tuscany between mountain villages. He is a former member of the U. S. Triathlon Team and competed in the world championships in Wellington, New Zealand in 1994. Dr. Haugan received his PhD from the American University, his MBA from St. Louis University, and his BSME from the Illinois Institute of Technology.