“Through his study of the two-mile-long ice cores, Alley reveals a number of elements that contribute to global climatic changes: wind patterns, drifting continents and ocean currents. In lively prose, he illustrates that climate can be stable, but when pushed to change, by either human or natural forces, such change can occur more dramatically and at a faster rate than our industrial society has ever witnessed. Yet Alley is no alarmist in predicting the ways that human activities will affect climate and climatic changes will affect humans …his engaging book, a brilliant combination of scientific thriller, memoir and environmental science, provides instructive glimpses into our climatic past and global future that will appeal to readers interested in how our environment affects us.” (Publishers Weekly)

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