Earth 'will expire by 2050'

"...Earth's population will be forced to colonise two planets within 50 years if natural resources continue to be exploited at the current rate, according to a report out this week....""...Experts say that seas will become emptied of fish while forests - which absorb carbon dioxide emissions - are completely destroyed and freshwater supplies become scarce and polluted. The report offers a vivid warning that either people curb their extravagant lifestyles or risk leaving the onus on scientists to locate another planet that can sustain human life. Since this is unlikely to happen, the only option is to cut consumption now. ..."