What this means: The scientist is really refering to the fact that while the population climbs upward, the fuels that we use to grow food are growing scarcer. She says how can you expect to go back in time, to pre-fuel methods, farming that is not industrialised (mechanised) in other words. And the answer is that you cannot. And so what happens when a population exceeds its limits...some say we reached capacity in the 80's. Others that a sustainable population is 1 billion. That means 6 out of every 7 people need to go.
There are already too many people living on Planet Earth, according to one of most influential science advisors in the US government. "We need to continue to decrease the growth rate of the global population; the planet can't support many more people," Dr Fedoroff said, stressing the need for humans to become much better at managing "wild lands", and in particular water supplies.
Pressed on whether she thought the world population was simply too high, Dr Fedoroff replied: "There are probably already too many people on the planet."
THE MOST POPULOUS NATIONS
China - 1.33bn India - 1.16bn USA - 306m Indonesia - 230m Brazil - 191m
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"We accept exactly the same technology (as GM food) in medicine, and yet in producing food we want to go back to the 19th Century."
"We wouldn't think of going to our doctor and saying 'Treat me the way doctors treated people in the 19th Century', and yet that's what we're demanding in food production."
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