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I think I underestimated the devastation caused by nuclear detonations. I did not know they destroy the ozone layer, and I did not not consider air borne debris being a problem. Still, I know they are deadly on a worldly scale and that is why I think it is highly unlikely there will ever be a nuclear war. Everyone loses.
Far as freshwater resources versus booming demand, we need an alternative to just throwing all our used water into sewage and contaminating large water bodies. Water itself is unlimited, but not unlike a needle from a haystack, simply difficult to extract from polluted sources. Water or lack of water isn't itself the primary problem, but pollution, mainly from sewage. To be honest I can't even fathom how to fix that problem, though I have heard of an African town that converts it's sewage into methane energy and fertilizer. Not sure that would work on a larger scale.
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