One of the most striking and consistent things we’ve picked up on during our year away is that all over the world people offer evidence of the effects of global warming. Weather plays an important part in so many lives, and generations have been brought up with the knowledge of local seasonal patterns like the start of the rainy season and so on. And they all report that these patterns have suddenly broken down in the past few years, adding an extra layer of uncertainty to their lives. Now, we’re not about to turn into Al Gore, although we did like his film, but today we felt the impact of these climatic changes. The trip we’re making could never be described as easy - it’s not a well-travelled route into Tibet at the best of
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