Widely acclaimed for many years as the standard popular work on the subject, The Penguin Dictionary of Geography has been expanded and revised for the third edition to take account of the many developments and new thinking in this fast-changing subject. It gives clear, concise definitions of key concepts in physical and human geography, and is an invaluable source of information and interpretation for students and professionals alike. · Explains terms used in human geography, from sociology to psychology, population studies to economics · Covers terms connected with all aspects of the natural environment, from geology to ecology, climatology and hydrology to soil science · Includes discussion of recent developments in feminist geography, sustainability, uneven development and globalization · Ranges from core vocabulary to specialist terms and concepts · Illustrates diagrammatically entries such as cliff formation, nitrogen cycle, plate tectonics, population pyramids and Wallace’s line