ocr: PORTENTSOFCHANGE The Living Climate SUBCHAPTERS temperate latitudes. The stakes are much higher than the sort of local effects observed by Columbus. lodaysquestion is whether and tov what degree human activities will alter the climate of entire regions and possibly the whole globe.Answers to such queries are being tashioned into a rough map for humankind's - expedition into the future. The craft is the good ship Earth itself, with some five billion people aboard and uncounted multitudes of other species, plant and ABCD MENU ECLIPSE EARTH GLOSSARY 80f122