Yesterday < evening we had rain, real pouring-down, getting wet cold Autumn rain. Not piddly drops here and there that dirty everything but do nothing much else. What a relief for the Western Cape in South Africa. We have been gasping for months now in the unrelenting heat of an African summer and the downpour brought home in a very vivid way, how reliant we are on water. All our media have been carrying articles on water saving and there has been real anxiety about our dwindling supplies. Water has been called “Blue Goldâ€. It has also been described as a “liquid more important than oilâ€. I’ll say …