Ãƒâ€šÃ‚Â What causes an earthquake? When will another big shock shake Tokyo or Los Angeles? Can people create deserts? How are the ozone layer and the greenhouse effect interlinked? Is global warming a force of natureÃƒÂ¢Ã¢â€šÂ¬Ã¢â‚¬Âor of man? This compelling and informative book, illustrated with marvelous photographs and specially commissioned artwork, explains the latest scientific insights into these questions. Each force of nature is separately fitted into the jigsaw puzzle of global environmental change. The revised edition of this widely praised book draws on the dramatic evidence of recent years to evaluate the state of the planetÃƒÂ¢Ã¢â€šÂ¬Ã¢â‚¬Âand man’s effect on itÃƒÂ¢Ã¢â€šÂ¬Ã¢â‚¬Âin the new century. 275 illustrations, 135 in color.