ocr: PORTENTSOFCHANGE The Living Climate SUBCHAPTERS animal. Many experts see alarming climatic possibilities ahead profound and rapid changes in the composition and behavior of the planet's atmosphere, and in the nature and number of living things that cling to its surface. Other than the intormed intuition ofs scientists, however, the only reliable charts for this journey are those of climates past. ABCD MENU ECLIPSE EARTH GLOSSARY 9of122