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Online editing services - 0 views

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dave woolcock

Ch 7 Page 52: Sustainable Energy - without the hot air - 0 views

  • A more modest luxury is an electric blanket. An electric blanket for a double bed uses 140 W; switching it on for one hour uses 0.14 kWh.
  • patio heaters
    • dave woolcock
       
      now all too common outside pubs since the no-smoking rules... what a waste!
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    Mayeb we should generalise this -- I write during a chilly London winter -- with generally plug-in clothing
Charles Moore

Sustainable Energy - without the hot air: Ch 1 Page 3 - 0 views

  • This heated debate is fundamentally about numbers.
    • tony curzon price
       
      It is also a political issue of trust in the government. There is a great write-up of the politics of the last UK energy review over here: http://www.opendemocracy.net/blog/ourkingdom-theme/paul-dorfman/2008/11/07/nuclear-consultation-public-trust-in-government There are 2 distinct issues: the truth of the matter (the numbers, what we are looking for in EWHA and the communication of the truth and value judgements based on the numbers. There has certainly been failure in the latter.
  • if everyone does a little, we’ll achieve only a little.
    • tony curzon price
       
      I have to disagree: some social effort aggregates. We all pay a bit of tax, but it amounts to quite a lot in the collective purse. Just one obvious example.
    • Charles Moore
       
      It depends on how each person's "little" is determined. If you make it a percentage of energy use it would be quite significant. If you take as your starting point a low income person changing to low energy light bulbs and extrapolate that up you would have quite a few people giving up intercontinental flights and maybe the odd Range Rover..
    • Michael Hunt
       
      Isn't the point that it makes sense to quantify the climate reduction impacts of actions so that when one alters one's behaviour in some respects, hoping to do "a little", that little has x% impact and not 0.00x% impact.
    • tony curzon price
       
      Both Charles' and Michael's points are about presentation of numbers, not impacts. I took David to be talking about changes to the physical world, not to the world of opinions. The logic of the "Tragedy of the commons" is that each person can take actions which individually seem harmless - or very low harm - but, when everyone performs them - add up to something substantial. Take throwing away litter as a (trivial but obvious) example - as someone said in NPR phone-in today ... despite all the good sentiment about collective action at the Obama inauguration, Washington was still covered in rubbish by the end of the day !
  • BP’s website
    • tony curzon price
       
      And remember that BP stands for "Beyond Petroleum" ... from the school of spin that says "if accused of x, simply assert that the opposite is the case".
dave woolcock

Ch 9 Page 58: Sustainable Energy - without the hot air - 0 views

  • Moreover, its lifetime is said to be 15 000 hours (or “12 years,” at 3 hours per day)
    • dave woolcock
       
      In my experience this is utter tosh. I have been using CFLs for 20 years. I write the install date on the bulb with a felt pen. Many don't last as long as an incandescent bulb. And it isn't always the cheap ones that go early. I keep hoping tat they will improve, but I haven't seen it yet. So the economic case is highly suspect in my view.
    • dave woolcock
       
      I guess they are more complex so there is more to go wrong. And it does go wrong.
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