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The concept of peak oil, where the inaccessibility of remaining deposits ensures that extraction rates start an irreversible decline, has been the subject of regular debate for decades. Although that argument still hasn't been settled—estimates range from the peak already having passed us to its arrival being 30 years in the future—having a better sense of when we're likely to hit it could prove invaluable when it comes to planning our energy economy. The general concept of peaking has also been valuable, as it applies to just about any finite resource. A new analysis suggests that it may be valuable to consider applying it to a renewable resource as well: the planet's water supply.
Originally posted by unityemissions
Perhaps I'm a bit ignorant here, but isn't water incredibly abundant on the earth? I thought this planet was a gem in the sky for all it's waters. I mean, what are the obstacles to providing clean water to people? The water is there, and very little has escaped the upper atmosphere since Earth's beginning. It seems all that's really lacking is the willpower to innovate and harness the water in the oceans efficiently.