Exciting sustainable developments

Discussion in 'Living Room' started by Lizzie, 26th Jun, 2019.

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  1. The Y-man

    The Y-man Moderator Staff Member

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    Autonomous cars - while many people think autonomous cars about being able to play with your mobile phone or watch a movie while you are on the road commuting, the main aim of autonomous cars is that computers can drive a car at it's most efficient (performance wise - no revving engines at the lights, and no screaming tyres people!) and taking the quickest, shortest routes. Combined with smart computerised traffic management system, the aim is to provide not only the quickest, but most fuel efficient way from point A to B (without getting on a bicycle!).

    The Y-man
     
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  2. Lizzie

    Lizzie Well-Known Member

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  3. random

    random Well-Known Member

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    lt is , and this is why it's so insane in Australia with our extinction and habitat destroying and clearing record, and yet this massive sized country with only 26mill,yet look at the size of the UK for example, 85mil , yet a 10x better record than us.
    Exactly , all we have to do is get rid of the crap stop destroying it give it 10 yrs and it'd recoup 10fold, 20 years even better. Natures incredible like that isn't which sadly just goes to show how bad we are here at looking after the place.

    And no less , we shouldn't even have a power problem, or a water problem.
    Every house in the country could easily run on solar or wind and tanks, every school and most office type places , even a lot of industry , Bunnings for example, just one place, has enough roof to look after a small town plus themselves in water and power. look at the roof space on schools and shopping centers , office blocks. There's enough roof to power and water a country .
    Yet look at the fuss just because someone loses power for a few hours once in summer , l mean givme a break.
    And every house just needs a few tanks ,100 ml of rain over a few days will just about fill up one tank , actually 60mil filled up ours, most places get a lot more rain than that, which will fill up the second tank if they had it . 2 tanks l'd say would get an average family through 12 months and until the next rain even if that was only twice a year but again most places get 10 times that , they just need the tanks to catch it when it does come.
     
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  4. TSK

    TSK Well-Known Member

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    indeed. improved safety as well due to meat bags being Too often distracted
     
  5. Lizzie

    Lizzie Well-Known Member

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    I think the idea behind autonomous cars is more about "less cars on the road" as the cars can be called up when required, and sent back to its holding station when not
     
  6. random

    random Well-Known Member

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    God , that is just so bad , and sad, and so tragically common.
     
  7. lmac

    lmac Active Member

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    Autonomous driving may be blessing or a curse when it arrives, much more to do with matters of operational overhead for the relevant industries than traffic reduction or better route planning...

    To your point above Y-man, electric motors in the latest vehicles are indeed already offering this efficiency advantage you speak of. An electric motor gets tremendous efficiency (% high 90's) as compared to a combustion engine (% 30's). The barrier to this in the past has been the cost of a battery large enough to power a vehicle has been traditionally so high as to make the product a non-starter. Texaco ensured this by purchasing the patents of the very promising Nickel Metal Hydride batteries and throwing them in the bin back in the 80's. A slimy manoeuvre from a societal standpoint but the shareholders should be thankful as it has helped to maintain the dominance of liquid fuels in the mean time..

    Fast forward to today and now we have an even better battery chemistry, Lithium Ion, which has brought the humble electric vehicle back to life. Currently electrics comprise of about 1-2% of global vehicle sales (mostly thanks to Nissan and Tesla). Realistic estimates indicate roughly 30 - 40% of new vehicle sales will be fully or partially electric by 2025 as the cat has escaped the bag and now all the other majors are being forced to release these vehicles. And I mean forced, as the transition could destroy them by stranding billions in assets relating to internal combustion production and know how.

    I'm a big fan of this topic and have a series of articles I'm polishing for publication with regards to it. Could wang on for ages but I'll leave it there for now :)

    P.s for the doubters heres a video of the electric equivalent of a Mercedes S class beating a Lamborghini on the drag strip:

    P.p.s the rolling start actually favours the Lambo and it still loses. The future is electric!
     
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  8. random

    random Well-Known Member

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    l use to be but l just found it so disheartening being involved. So l've steered clear last few yrs because the people at the top that have the real power to do something stop things and start things , are so out of touch with nature and things happening , only care about money ,and people in general aren't much better. l'll be long gone before much is fixed.
    l do love at least hearing of changes or some advancement though, even threads like this , at least it's something right.
     
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  9. The Y-man

    The Y-man Moderator Staff Member

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    I would like to pose a story here that I pose to my students (and that I also had the delightful opportunity to discuss with some eminent minds on the topic, while sitting on a beautiful tropical island last October):

    Once upon a time, there was a beautiful tropical island.
    There lived a tribe on that island. Over thousands of years, they enjoyed the fish and other seafood from their crystal clear waters. For generations, they enjoyed the harvest of fruits and vegetables from the land.

    Then one day, a boat arrived with people from Civilization.

    The people from Civilization took one look at the island and said, "This is terrible! What a hell hole! Infant mortality at 80%, people dying of easily treatable conditions with an average life expectancy of 60 years....." the list went on.

    Immediately, the people from Civilization raised some social media posts, and did a massive fund raising campaign to "Save the Beautiful Tropical Island".

    Funds came pouring in from generous donors from every corner of Civilization.

    The results were amazing.

    Where 8 out of 10 babies were dying previously, now 99 out of 100 were healthy.
    People no longer died from even serious diseases with the introduction of advanced medicines and vaccines. The average age expectancy was now 80, not 60.

    However, that was not all that the tribe noticed changing.

    They found that they had to go out further to sea to catch fish, as there were no more fish near their shores. They had to buy bigger and more efficient trawlers from Civilization so that they could get enough fish to feed their thriving population.

    The farmers too found it was difficult to meet the demands of the population, and started to use advanced chemical fertilisers and pesticides to increase the yield from every square metre of ground.

    As we look at the island today, we ask ourselves: "We did the right thing, didn't we? What else could we have done?"

    Indeed, what else could have been done? More importantly, what do we do now?

    The Y-man
     
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  10. Lizzie

    Lizzie Well-Known Member

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    Well - I'm possibly not going to be very popular with my answer ... less babies born (free access to contraception and educate the girls so they have power over their own destinies) ... and ... stop extending life, given our better health and nutrition, beyond what it would naturally be and beyond what is contributing, dignified and of quality.

    Studies have shown that the number one thing that can be done for limiting the effect of humans on the planet is to educate the girls.

    And I will never understand why, having worked in a dementia unit, we continue to pump elderly people full of life lengthening drugs when their brains are addled and/or their bodies riddled. I'm not saying knock them off early - or don't give them drugs for pain/anxiety relief - but why blood pressure or similar life extending medications simply to keep them breathing in their nonfunctional state?
     
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  11. The Y-man

    The Y-man Moderator Staff Member

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    Hard choices are never popular.

    The answers you give are similar to those given by some of the leading minds in this area - that either by natural means (eg Japans declining rate of childbirths) or not (eg one child policy), the population *should* adjust to its needs.

    Of course what we are seeing at the moment is still a "surplus", and some might argue that war or plagues may be the "natural" consequence that adjusts the population.

    The Y-man
     
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  12. Lizzie

    Lizzie Well-Known Member

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    Also love this one - where an ancient culture has a lot to teach:

    “Before our white brothers came to civilise us we had no jails. Therefore we had no criminals. You can’t have criminals without a jail. We had no locks or keys, and so we had no thieves. If a man was so poor that he had no horse, tepee or blanket, someone gave him these things. We were to uncivilised to set much value on personal belongings. We wanted to have things only in order to give them away. We had no money, and therefore a man’s worth couldn’t be measured by it. We had no written law, no attorneys or politicians, therefore we couldn’t cheat. We really were in a bad way before the white men came, and I don’t know how we managed to get along without these basic things which, we are told, are absolutely necessary to make a civilised society.”

    - RedHawk - Seeker Of Visions
     
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  13. geoffw

    geoffw Moderator Staff Member

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  14. random

    random Well-Known Member

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    Anyone thought of just what they will do with drones in the future , we could be driving them in10 yrs time, someone probably is already somewhere.
    But funny , you know if we all drove around up in the air instead of on roads, imagine how messy that's gonna get, that'd be trickier than roads if you think about it. Millions of big drones flyin all over the place haha.There'd be a blanket of drones in the air instead of sky and birds
     
  15. Lizzie

    Lizzie Well-Known Member

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    As the articles says - might not happen overnight - but I would be very surprised if it doesn't happen within the next 5 years ... just remember where we were 10 years ago, and technology advancements have been moving forward exponentially.

    Gosh - was only 2 years ago an electric car was only good for 100km and now it's up to over 400km on one charge ... and now come hydrogen for the heavy stuff

    What will it take to make hydrogen the clean fuel of the future? – WEC 2019
     
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  16. random

    random Well-Known Member

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    Yeah l often scratch my head too with them moaning about how to feed and cater for everyone yet do everything they can to stop natures natural ways of keeping the population down herself.
    Seems crazy trying to get people to live longer and longer and wanna cure everything . Not that l'd want anyone sick so it's a catch 22 but just sayin, the animal kingdom had all kinds of ways of keeping things balanced and so did humans centuries ago l guess , but it's all messed with now.
     
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  17. Lizzie

    Lizzie Well-Known Member

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    I'm with you on that one - but have to pick an chose where you bring it up as some get all antsy thinking you're suggesting wholesale euthanasia

    I'm definitely not against euthanasia - having in recent years watched two family members die lingering deaths. One from a massive stroke who was in a coma with no no brain function for a week, with no life support, before they died from (probably) dehydration ... the second with motor neurone disease, who ended up in palliative care with no movement and chose to starve themselves to death over several weeks ... how much kinder would've have been if there had been another option.
     
  18. random

    random Well-Known Member

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    Sadly , just as l said , scientist just put out a report today that the planet is heating up much faster than they predicted . My guess that'll speed up a lot more yet and the estimated rise will be a lot higher than what they're predicting too.
    Meanwhile blubber belly's still dancing around over in the states bragging about growth and jobs kissing butt and Trump's even built him a shrine, givme strength someone.
     
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  19. The Y-man

    The Y-man Moderator Staff Member

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    The complexity of sustainability and sustainable development is what often leads to lively debates and ultimately trade-offs between solutions. If you have ever wondered how "sustainable development" might be defined, you might want to look at the UN sustainable development goals (the "SDGs").

    These goals are the centre of the UN 2030 goals - i.e. the "world" has given itself until 2030 to achieve various targets under these goals - this is what we mean by "Sustainable development" (the term used by the UN traces back to the Brundtland report "Our Common Future")

    Annotation 2019-09-28 164336.png

    You'll notice there are 17 of them. In order to achieve "sustainable development" all 17 of these need to be attended to simultaneously, and with equal priority. If that sounds like a huge challenge - it is. One of the reasons is that improving one of these, almost inevitable negatively impacts another.

    For instance, Goal 2 "zero hunger" can be achieved - but the challenge is achieving it without affecting Goals 13, 14, and 15.

    You'll also note "climate change" is but one goal (Goal 13) - and is an important but nevertheless small part of an very big puzzle we need to collectively sort out.

    The Y-man
     
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  20. Lizzie

    Lizzie Well-Known Member

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