by George Sibley Here in the headwaters of the American West, in Central Colorado where many of our western rivers start, this is a good time to be thinking about what we call “fresh water.” That’s water that lacks most of the dissolved stuff found in the oceans – the essential waters that nurture all the plant and animal life on the planet we call “Earth.” If our first look at the planet had been from out in space, we might have called the planet “Ocean” rather than “Earth”; there’s more than twice as much ocean as earth on the ...