Telegraph: In the investment world it is a challenge to predict with accuracy what will happen in the next week, let alone the next decade. But there are three trends which are set to unfold in the coming years which will have such a major impact on the global economy that the investment implications are reasonably easy to foresee. The first and most potentially calamitous trend is climate change, both in terms of costs of mitigating its effects and also adjusting global energy use to ensure …