Book excerpt: Including ten new chapters on nature, globalization, development, and risk and a new section on practicing geography, this is a completely revised and updated edition of the bestselling, standard student resource. The Second Edition of Key Concepts in Geography explains the key terms – space, time, place, scale, landscape - that define the language of geography. It is unique in the reference literature as it provides - in one volume – concepts from both human geography and physical geography; especially relevant now that environment is so critical to our understanding of geography.