If we don't halt population growth with justice and compassion, it will be done for us by nature, brutally and without pity - and will leave a ravaged world. Nobel Laureate Dr. Henry W. Kendall
YearPopulation billion (200 million) billion (275 million) billion (450 million) billion (500 million) billion (700 million) billion billion billion billion billion billion billion billion billion billion billion billion billion billion billion billion billion billion (estimated) billion (estimated) billion (estimated)
Countries and Areas Ranked by Population: 2010 RANKCOUNTRY OR AREAPOPULATION 1China1,339,190,000 2India1,184,639,000 3United States309,975,000 4Indonesia243,181,400 5Brazil193,364,000 6Pakistan170,260,000 7Bangladesh164,425,000 8Nigeria158,259,000 9Russia141,927,300 10Japan127,380,000 Source: U.S. Census Bureau, International Data Base
US 311,376,269 World 6,919,193,975 13:13 UTC (EST+5) May 18, 2011 US and World Population Clock U.S. 313,599,572 World 7,015,273,794 20:53 UTC (EST+5) May 23, 2012
TThe Earth is an Island There are a finite number of resources that we have on this planet we call Earth What will happen when the resources are gone? food water shelter space Humans in the Biosphere
HHow has human life on Earth changed over time? Hunting and Gathering Agriculture farming domestication of animals Industrial growth Urban development Humans in the Biosphere (Green Revolution) (Technology)