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2289 search results for: Clean Water Act

2258

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.

2267

Drinking From The Sea

Pressed by growing urban populations, drier and warmer climates and the need to fortify supplies stretched by the increasing worldwide thirst, metropolitan and national governments on five continents are building record numbers of industrial plants to use a nearly alchemic technology to produce drinking water from the sea.