Monthly Archives: June 2014

Professor Joanna Haigh on climate change! Friday 4th July 2014, London.

6:30 pm — 7:30 pm on Friday 04 July 2014 at The Royal Society, London, but turn up at 6.15 pm as this is bound to be a full house for a world renowned climatologist and terrific speaker. Guaranteed to … Continue reading

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Aircraft contrails – how dangerous for the climate? Amelioration possible?

“Environment Research Letters” has just published an intriguing assessment of the harm which high-flying aircraft inflict on the earth’s heat budget – and how a simple rerouting of long distance aircraft, laterally or vertically, could preclude this effect almost entirely. … Continue reading

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Aircraft contrails – dangerous for the climate?

Here is a really interesting update – thanks to the BBC – on a question which has worried climate science for a long time – does the exhaust gas of high-flying aircraft make global warming worse? It is not only … Continue reading

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Would batteries still have a place in this brave new hydrogen world? And what about fuel cells? We always see in the media the yoking together of hydrogen and fuel cells – is there a reason for this?

  As for batteries, yes, we will always need them in some form or another, but only on a comparatively small scale – they simply don’t “scale up” to the capacity which our society needs for town supply or for … Continue reading

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How do you store it?

  Good and necessary question! Certainly, hydrogen will never be able to compete with the way natural gas is stored in nature, dumbly waiting for human technology to access it. However, the supply of water is not in doubt, so … Continue reading

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What are the costs of using hydrogen: how will the bills compare with current fuel prices?

  It will not be cheap! But neither are our present fuel bills – and we must not forget that we are preventing enormous future expense for those coming after us, if we cut right down on the planet-heating emissions … Continue reading

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How can we use hydrogen in everyday life?

  Easily, and safely! – but only if it is introduced in a measured way, with public education, and the preparation of all the devices and machines which we are used to. We could take as an example the replacement … Continue reading

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Why hydrogen? Are there any other sources of clean fuel that could be used?

  On the large scale which applies to our common future – people and planet together – hydrogen is the only viable alternative. If you go back to the periodic table of all the elements, the only serious options are … Continue reading

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Are there examples of where hydrogen has been used successfully?

  Yes! There are lots of hydrogen success stories, many of these are within transport, for example public buses in various cities. Visit our “Links” page for more specific examples.  

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If it is such an obvious and doable alternative, why hasn’t it been done already?

  The key reason is commercial rather than scientific: it is the power of incumbency, whereby those who acquire the dominant position in a given market are able to hold off all challengers, and have been able to gain the … Continue reading

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