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Question about climate changes

Discussion in 'The Living World' started by Conscious thoughts, Sep 20, 2021.

  1. Conscious thoughts

    Conscious thoughts Veteran Member

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    Can anyone with some knowledge about the science behind climate change explain to me this?

    How much will climate change actually affect our human life on earth? let say the temperature on earth in general rises1,5 to 2 degrees Celsius over time. what would this do to our human life?

    Is there anything we now can do to stop it? that actually is shown in experiments already works

    To those who do not believe in climate change: what other causes are there for the very rapid temperature changes and weather changes, we have seen over let's say the last 50 years?
     
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  2. Heyo

    Heyo Well-Known Member

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    There is a host of consequences, many of them already manifest.
    1. Sea level rise. It will only be centimetres in this century but some island nations in the tropics are already loosing land.
    2. More extreme weather phenomena.
    3. Invasive species. And there are some nasty parasites coming north.
    4. Ocean acidification. With the potential loss of a major food source.
    5. Immigration as a consequence of #2. People who can't live off their land any more due to droughts and floods will try to live elsewhere.
    tbc.
     
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  3. sun rise

    sun rise "This is the Hour of God"
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    We can do lots. It won't stop it for a while, but we can certainly slow it down. Reduce CO2 and methane emissions all over the place in various ways. Carbon capture technology is being trialed.
     
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  4. Conscious thoughts

    Conscious thoughts Veteran Member

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    @Heyo and @sun rise how can we get more people to understand that there must be a change in how we think? because if the capitalists keep pushing unhealthy technology like oil, gasoline, and factories that produce toxic waste and so on, it will not be easy to end the pollution.
     
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  5. Truthseeker9

    Truthseeker9 Well-Known Member

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    Right now, the rise has been 1.2 degrees Celsius from pre-industrial times. You can see the effects in the world from that. More intense hurricanes, typhoons, cyclones, whatever you want to call them. I have a question of my own on that. Why in my news are there these different names for this same weather phenomenon? More intense droughts in some places. More intense flooding in others. Sea level rise, which will become more in continuing centuries even if the temperature does not rise. Melting glaciers that some places depend on for water. They will be gone if nothing is done. Tens of millions of climate refugees while the temperature rises.

    My understanding is that the pledges given in 2015 in the Paris Accords, would if fulfilled result in a 3.0 Celsius rise in temperature by 2100. To date, those pledges have nor been fulfilled, mainly because they were not binding.
     
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  6. Conscious thoughts

    Conscious thoughts Veteran Member

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    Norway has decided to stop selling new Petrol and diesel cars from 2025 and only sell battery-driven cars from that time. That might be a good thing, but even the production of those batteries do make some polution
     
  7. The Hammer

    The Hammer Frog Lord
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    They also take mining of expensive precious minerals (to make the batteries), which can be as invasive and destructive as oil drilling.
     
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  8. Heyo

    Heyo Well-Known Member

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    A good question I have no good answer to. Getting people to change their thinking is a pretty hopeless task. (See my Poll: Had RF an Influence on Your Stance on COVID?.)
    We may change the political landscape with our votes and protests (Fridays for Future) so that change may be mandated for those who don't care to think for themselves.
     
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  9. Conscious thoughts

    Conscious thoughts Veteran Member

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    Yes, the mining is still a problem, not sure how one could make nonpollution battery production... or maybe battery is not the answer after all ?
     
  10. The Hammer

    The Hammer Frog Lord
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    I'm not sure what the 100% clean answer is... Not sure if we have one yet. Nuclear maybe.
     
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  11. KenS

    KenS Face to face with my Father
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    IMV, there is still much to learn. For an example:

    Screen Shot 2021-09-21 at 3.34.46 AM.png
    The Earth's Climate in the Past | A Student's Guide to Global Climate Change | US EPA

    As we can see, there has been previous climate changes but, according to this article:

    "People didn't cause the climate change that occurred thousands or millions of years ago, so it must have happened for other natural reasons."

    What are those natural causes? It doesn't mention but I'm sure there are a few theories. Are those natural causes still affecting today's climate change? Good question...
     
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  12. Conscious thoughts

    Conscious thoughts Veteran Member

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    I do agree that the climate change is not only created by human, there are other aspects to this too.
     
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  13. Nimos

    Nimos Well-Known Member

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    Denmark are trying to do the same, as @The Hammer say it requires a lot of mining and personally unless they come up with some new way of making batteries this is not going to work or help I think. Imagine all the infrastructure that has to be built in every city for this to work as well, before we can see the effect of everyone driving electrical cars, we will have exploded the CO2 limit multiple times. The issue is that, I don't think they take this into consideration when the calculate whether or not it is a good idea.

    To me the best solution would be self driven shared cars. So basically a taxi service where you rent a car when you need it. Most of the time cars are just parked without getting used. So this could reduce the amount of cars that need to be made overall. Unfortunately the technology is not really there yet.

    Another option would be to not do anything, but make highspeed auto tracks when travelling longer distances, so basically like a highway and you drive your car unto a platform of some sort and it is being transported along these tracks and you can then "jump" off at varies stations and then manually drive to your location as you would normally do. That could make the system work on renewable energy and a lot of emission could be saved from driving long distances. Downside is obviously that such system would need to be made, but on the other side, it wouldn't require people to buy new cars and no particular need to invest huge amount of resources in charging stations and so forth and obviously you would be able to get around much faster than you can now. Eventually this can then be combined with self driven shared cars, that could be working off renewable energy as well.
     
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  14. Nimos

    Nimos Well-Known Member

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    I don't think this is a mystery, but that it is rather well understood. Natural changes to our climate is a factor, but you have to add humans effect on top of it.
     
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  15. Twilight Hue

    Twilight Hue Twilight, not bright nor dark, good nor bad.

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    People don't change unless the 'fire' is in their back yard.

    That's why it's so slow in addition to mistrust of whom I will call 'alarmists' who keep making predictions that don't manifest.
     
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  16. Guitar's Cry

    Guitar's Cry Verisimilitudinous

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    Likely things like volcanic and plate tectonic activity. Sun activity may also impact it.

    Problem is, we know the mechanisms behind it now, and along with climate change there is the problem of air and water pollution thar impacts health in ways other than changing the climate.
     
  17. Guitar's Cry

    Guitar's Cry Verisimilitudinous

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    If there's anything I learned in the past year it's that people are really good at ignoring backyard fires.
     
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  18. KenS

    KenS Face to face with my Father
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    From what I read, volcanic activity actually cools the earth:
    "While sulfur dioxide released in contemporary volcanic eruptions has occasionally caused detectable global cooling of the lower atmosphere, the carbon dioxide released in contemporary volcanic eruptions has never caused detectable global warming of the atmosphere"
    Volcanoes Can Affect Climate
     
  19. Guitar's Cry

    Guitar's Cry Verisimilitudinous

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    Notice the word "contemporary." From the article:


    " ...volcanic gases like sulfur dioxide can cause global cooling, while volcanic carbon dioxide, a greenhouse gas, has the potential to promote global warming."

    "While it has been proposed that intense volcanic release of carbon dioxide in the deep geologic past did cause global warming, and possibly some mass extinctions, this is a topic of scientific debate at present."
     
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  20. KenS

    KenS Face to face with my Father
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    Yes... but there are key words in these statement:

    "has the potential" - does not translate into it did. Neither does "Has been proposed" doesn't translate into that it did...

    Whereas "the carbon dioxide released in contemporary volcanic eruptions has never caused detectable global warming of the atmosphere" is empirical and verifiable evidence.
     
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