Nature's Way will probably take care of it all for us. S/He is a great equalizer, resolving all things in time. We can foolishly try to harness or control the original design by thinking we're capable of fashioning it to our needs - by damming or diverting rivers and drying up seas - for humane purposes, admittedly, but also so that a desert dweller can have a swimming pool.

Inspirational references: Ceremonial Time by John Hanson Mitchell; July-August edition of Utne Reader.

btw, you Canadians have more water than you need, and the Americans are running out. Hmmm...what are the possibilities for solving the Americans' dilemma?