"To feed (the projected population of 9 billion) we will need to produce as much food in the next 40 years as we have in the last 8,000,"

 

Researchers: Earth will be ‘unrecognizable’ by 2050 | The Raw Story

WASHINGTON — A growing, more affluent population competing for ever scarcer resources could make for an "unrecognizable" world by 2050, researchers warned at a major US science conference Sunday.