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WORLD POPULATION: TROUBLE AHEAD Total human environmental impact on Planet Earth = average impact per person x number of people Current growth rates: 80 million extra people per year, 1.5 million per week, 10,000 per hour Natural resources (oil, water, soil etc.) per person = total resources ÷ number of people Planet Earth’s ideal population (sustainable and in balance with the environment) would be about 2.7 billion Enlarged in 2 Earth formed First signs of life (fossil algae, Oldest known rocks bacteria) 5000 4000 10 ? Explosion of life (Cambrian); dinosaurs 3000 2000 1000 500 9 0 8 PEAK OIL MILLION YEARS AGO 7 Queen Elizabeth II 2. APESAND MEN Enlarged in 3 Primitive apes evolving 20 6 LAST COMMON ANCESTOR OF MAN AND CHIMPANZEES Man-like apes Hominids 15 10 7 5 5 0 INDUSTRIAL REVOLUTION MILLION YEARS AGO 4 POPULATION (BILLIONS) 1. THE GEOLOGICAL RECORD Queen Victoria 3 3. THE HUMAN POPULATION SPIKE Queen Elizabeth I Caused by exploitation, then exhaustion, of fossil fuels 2 1 Invention of Agriculture Julius Caesar Otzi ‘Iceman’ Black Death Sustainable level? 0 10 9 8 STONE AGES 7 6 5 4 3 BRONZE AGE 1 BC 0 AD 2 1 2 2.5 3 IRON AGE THOUSANDS OF YEARS Population Matters is the working name of the Optimum Population Trust. Charity no.1114109 Join at www.populationmatters.org Graph by Dr. William Stanton