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Previous studies estimate that global agricultural production may need to increase 60-110 percent to meet increasing demands and provide food security.
"Clearly, the world faces a looming agricultural crisis, with yield increases insufficient to keep up with projected demands," says IonE director Jon Foley, a co-author on the study.
Using ~2.5 million agricultural statistics, collected for ~13,500 political units across the world, we track four key global crops—maize, rice, wheat, and soybean—that currently produce nearly two-thirds of global agricultural calories. We find that yields in these top four crops are increasing at 1.6%, 1.0%, 0.9%, and 1.3% per year, non-compounding rates, respectively, which is less than the 2.4% per year rate required to double global production by 2050. At these rates global production in these crops would increase by ~67%, ~42%, ~38%, and ~55%, respectively, which is far below what is needed to meet projected demands in 2050.
Now those are some truly troubling thoughts....I believe I've read that if JUST semi truck movement was halted that most major cities in the world would be void of food in any stores within 48 hours.
This really is a problem and as the above poster said, all we can hope is that mother nature is kind on us and our overloads do not initiate a nuclear winter.
With ocean fish stocks also being wiped out, where do we think we are going to get the food from to feed all these people?
I expect city vertical farms will start to spring up once the money men realise there is money 'in them thar high rises' Hong Kong already has one, others are being designed around the world, most of them recycled aquaponic type set ups. New York has a least one!
This is perhaps the best argument for limiting our growth and destruction of the planet. The growth fanatics like to talk about food surpluses, but those are disappearing. Our farmland capable of feeding us is being destroyed by development and desertification at the same time that our population is surging to an expected 9 billion in the next 50 years. With ocean fish stocks also being wiped out, where do we think we are going to get the food from to feed all these people?
And is our society really stupid, or is this some kind of elite plot to destroy the world?