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Not just another drought: The American West moves from dry to bone dry

Not just another drought: The American West moves from dry to bone dry

The American West is having a drought. So, what else is new? And, that’s just the point. The American West has been in an extended drought since 2000, so far the second worst in the last 1200 years. Here is the key quote from the National Geographic article cited above:

In the face of continued climate change, some scientists and others have suggested that using the word “drought” for what’s happening now might no longer be appropriate, because it implies that the water shortages may end. Instead, we might be seeing a fundamental, long-term shift in water availability all over the West.

That is what climate scientists have been warning about all along. The problems we are now experiencing are not just cycles or fluctuations—although those continue to be important—but rather, permanent changes in the climate (that is, on any timeline that matters to humans).

I wrote about this drought when it was only 10 years old. (For a sense of how bad it is now, see the U.S. Drought Monitor.) Back then it did not seem that residents and businesses were taking it seriously, even if some water officials were. There have been ups and downs in the intervening years, but mostly downs.

There is a reason that most major cities are located near water and not in arid regions. Water is heavy, fluid and not easily transported—though vast and expensive water projects do just that. Water cannot be easily created from its constituents elements, oxygen and hydrogen. Oxygen is abundant everywhere on Earth. But hydrogen in its elemental state is not readily available and must be extracted from other sources such as natural gas. The cost of manufacturing water is prohibative or we’d likely be doing it already.

…click on the above link to read the rest of the article…

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