I was literally in primary school when I first heard the expression “blue gold”… Coming to think of it, I am now under the impression my teachers must have been two very enlightened ladies… It was in the late 80s!
I heard again and again -over the years- that “the wars of the new century will be fought over water supplies”… certainly humanity wouldn’t reach that low as to fight over such a primary necessity, I instinctively thought.
A few decades later, I only partially changed my mind.
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