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1030 search results for: Colorado River

736

Heart of Dryness: Climate Change Coping Strategies

Since the dawn of Homo sapiens in arid Africa, nine tenths of our evolution has unfolded as foragers. Only relatively recently did our species embark on agriculture, and recent events suggest certain limits to that extraordinary experiment. Exponential population growth has combined with unprecedented climate change until half the planet’s land surface can now be classified as drylands—arid landscapes inhabited by a third of humankind.

740

Peter Gleick: Water and Population part 2

In a previous post here, I raised the population and water issue in a general way. My point was that ignoring the population component of our resource challenges was a mistake, certainly in the long term and in some places, in the short term. I think this is indisputable — resource constraints are worse than they would otherwise be if populations are large and growing rapidly rather than small and growing slowly, or even shrinking.