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  1.  
    This may sound silly but I'd imagine it's one we've all thought about. What's the point in it all?

    Having just returned from New York, (flight emissions) and seeing the amount of steel and concrete use in such big cities along with the amount of lighting left on in all the big buildings. Heating on in the hotel room along with the air conditioning at the same time etc etc.

    What's the point in worrying whether I use 2", 3" or no insulation in a small refurb etc? Particularly given such countries simply don't care...

    Are we micro managing but not realistically getting anywhere? Does it really make a difference if a few EWI fixings are a thermal bridge and so forth?

    What's the biggest impact/change one could have? The flight got me thinking...
    • CommentAuthorgyrogear
    • CommentTime4 days ago
     
    Posted By: Victorianecolighting left on in all the big buildings


    errm, perhaps this is to prevent aircraft from flying into them etc.

    gg
    • CommentAuthorArtiglio
    • CommentTime4 days ago
     
    In our lifetimes , very little will change ( 100 + years from now hopefully things will be very different). Energy efficiency and eco credentials for some becomes a hobby and way of life, for whom going to the nth degree is very rewarding on a personal level. The costs incurred in their pursuits both financially and in terms of effort put in are largely irrelevant.
    For me its all about achieving better comfort for similar energy use with an expectation of savings covering material costs over 10 years, improving buildings and making the most of life. Others will have differing criteria.
    However the efforts of a very small minority will never make up for the indifference of everyone else.
    "Saving the planet" will to my mind never be achieved by changing of behaviour or efficiences in current technology, at least not while global population keeps imcreasing at its current rate. Step changes in technology are required to acieve meaningful longterm change, these will no doubt be achieved , just a matter of when.
    • CommentAuthordelprado
    • CommentTime4 days ago
     
    My own motivation is indoor air quality and most naturals our perform synthetics in some
    Important way (like acoustically a lot of the time)

    Plus Gandhi said be the change you want to see in the world
  2.  
    <blockquote><cite>Posted By: gyrogear</cite><blockquote><cite>Posted By: Victorianeco</cite>lighting left on in all the big buildings</blockquote>

    errm, perhaps this is to prevent aircraft from flying into them etc.

    gg</blockquote>

    I don't think 1st, 2nd, 3rd floor lights and so on of 50+ storey buildings makes a difference to planes...
    • CommentAuthorgyrogear
    • CommentTime4 days ago
     
    maybe I was attempting to add a little *light* relief...

    gg
    •  
      CommentAuthordjh
    • CommentTime4 days ago
     
    Posted By: VictorianecoThis may sound silly but I'd imagine it's one we've all thought about. What's the point in it all?

    Having just returned from New York, (flight emissions)

    The first question, obviously, is why were you flying to New York? If it was for business, why was it necessary? If for pleasure then indeed, ask yourself the question.

    and seeing the amount of steel and concrete use in such big cities along with the amount of lighting left on in all the big buildings. Heating on in the hotel room along with the air conditioning at the same time etc etc.

    What's the point in worrying whether I use 2", 3" or no insulation in a small refurb etc? Particularly given such countries simply don't care...

    Are we micro managing but not realistically getting anywhere? Does it really make a difference if a few EWI fixings are a thermal bridge and so forth?

    What's the biggest impact/change one could have? The flight got me thinking...

    I hope you complained to the hotel management about the heating and air-con both operating.

    For me, part of the point of choosing the passivhaus standard was simply to avoid confronting questions like how thick should the insulation be. Smart people have spent a lot of time discussing such topics and come to a conclusion. I don't want to try to repeat their work myself; I'd rather spend my time doing something additional.

    I think it's certainly worth spending a little time publicising what you're doing and why. The more people accept the ideas and try to do their own bit, the better. As to what the biggest possible impact is, I have no idea. It's a very difficult question. Presumably somebody out there is a Mahatma Ghandi, but it isn't me.
    •  
      CommentAuthorSteamyTea
    • CommentTime4 days ago
     
    A lot of it depends on where you are measuring from.
    The USA is doing a bit to reduce energy usage.
    https://en.wikipedia.org/wiki/Energy_in_the_United_States
      USA Energy Use.jpg
    • CommentAuthorPeterStarck
    • CommentTime4 days ago edited
     
    Posted By: VictorianecoWhat's the point in worrying whether I use 2", 3" or no insulation in a small refurb etc?


    From a purely selfish point of view, it's the level of comfort you want along with lower energy bills.
    •  
      CommentAuthordjh
    • CommentTime3 days ago
     
    Posted By: SteamyTeaThe USA is doing a bit to reduce energy usage.


    Yeah, right.

    http://www.worldpopulationbalance.org/energy_china - USA uses 4 times as much

    http://www.worldpopulationbalance.org/energy_india - USA uses 17 times as much
    •  
      CommentAuthorSteamyTea
    • CommentTime3 days ago
     
    Why it is important to decide where you are starting from.
    And then what base you which to compare it with.
    Just using per capita is very crude, as is using GDP.

    You could use natural sequestration based on nation states land area, but a bit tricky to calculate.
    Or total energy usage as a fraction of solar irradiation.

    Every time I drive down the road I don't think that I am wasting my time when a van, that probably struggles to do 30 MPG, passes, or swell with pride when an EV passes (probably because it ain't happened yet).

    Each person, and therefore collectively nations can make a difference. It just does not happen fast enough for some of us, but it is happening.
    • CommentAuthorcjard
    • CommentTime3 days ago edited
     
    Posted By: Victorianeco
    What's the biggest impact/change one could have?


    Use up all the oil
    • CommentAuthorcjard
    • CommentTime3 days ago edited
     
    Posted By: Victorianeco
    What's the biggest impact/change one could have?


    Use up all the oil


    Posted By: Victorianeco

    I don't think 1st, 2nd, 3rd floor lights and so on of 50+ storey buildings makes a difference to planes...


    No, but lights are used to let the plane know when itcandescent :)


    Posted By: delprado
    Plus Gandhi said be the change you want to see in the world


    https://josephranseth.com/gandhi-didnt-say-be-the-change-you-want-to-see-in-the-world/
    •  
      CommentAuthorfostertom
    • CommentTime3 days ago edited
     
    Posted By: SteamyTeaEach person, and therefore collectively nations can make a difference
    I agree strongly tho for reasons I'm sure ST would debunk! More like what Gandhi 'should have said', above.

    Just doing it is the incredibly powerful thing we're doing - or even talking and dreaming about it ('walk the talk' is optional).

    We see time and again the possibility of not-so-large groups of enthusiasts/believers/indignatos radically changing history not because they create overwhelming facts on the ground, nor because they win arguments, gain converts and get the upper hand - but just because they remorselessly put ideas (incl practical examples) 'into the air'.

    Of course, traditional mass-power effects, scientific support and economics all help - but the deepest fundamental is the the mysterious zeitgeist efect - the more you do it or just hold it in mind, the easier it is for same to happen elsewhere.

    Morphic Field hypothesis, some call it. Some think it's some wowoo undiscovered field, others say it's just an assemblage of numerous different paths through conventional phenomena.
  3.  
    I saw somewhere some stat like China had used in the last 10 years as much concrete as the USA has used in its entire history.
    For me its about using the opportunities that present themselves to individuals to do the best available option.
    I'm a builder, every time I have the opportunity to make, what I consider, a positive decision or to offer advice I try to take it. As to what everyone else does, that's their business.
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