Aquifer depletion now threatens harvests in China, India, and the United States. These big three grain producers together supply half of the world’s grain harvest. The question is not whether water shortages will affect future harvests in these countries, but rather when they will do so.
Browsing the "overpopulation" Tag
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Throughout most of human existence, population growth has been so slow as to be imperceptible within a single generation. Reaching a global population of 1 billion in 1804 required the entire time since modern humans appeared on the scene. To add the second billion, it took until 1927, just over a century. Thirty-three years later, in 1960, world population reached 3 billion. Then the pace sped up, as we added another billion every 13 years or so until we hit 7 billion in late 2011.
Human history provides numerous examples of where food scarcity can lead: collapse. Is our own food insecurity similar to the Mayans and Sumerians?
While July 2008 looked relatively normal in terms of Fourth of July celebrations and hot weather, $4 per gallon gas put a damper on that other summertime staple: the family road trip. As you might imagine, we had a lot to say about that gas thing… but didn’t take a vacation from covering a wide […]