The earth could become "unrecognizable" by 2050, if a growing affluent global population keeps consuming more resources, researchers warned at a major US science conference.
"By 2050 we will not have a planet left that is recognizable" if the global population continues to increase, said Jason Clay of the World Wildlife Fund Sunday at the annual meeting of the American Association for the Advancement of Science.
The United Nations has predicted the global population will reach seven billion this year, and climb to nine billion by 2050, "with almost all of the growth occurring in poor countries, particularly Africa and South Asia," said John Bongaarts of the non-profit Population Council.
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