The words "renewable energies" are thrown around a lot these days. Solar panels, wind turbines, tidal power harnessing, all of these technologies are presented, particularly by the media, as being the saviours of our energy systems and the rescuers of humanity. People regularly invoke a ''100% green future'' where all of our energy comes from renewable sources. Yet it seems to me that this grand idea will not develop due to numerous reasons that range from technological to political. In this blog I am going to look for what we should really expect from renewable energies, what part they will play in the future and whether it is really such a bad thing if they are not our exclusive energy source.
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