View Poll Results: In your opinion, which is the greatest threat to the planet/

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  • Global Warming

    8 15.38%
  • Human overpopulation

    27 51.92%
  • Planet-killing meteor

    9 17.31%
  • Death of the Sun

    8 15.38%
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Thread: Greatest threat to this planet.

  1. #81
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    Re: Greatest threat to this planet.

    Quote Originally Posted by sangha View Post
    Really?

    Because I see three declines in population in that chart
    Always followed shortly thereafter by returns to growth.

    Quote Originally Posted by Gathomas88 View Post
    The crises created by population decline might serve a role as well. However, historically speaking, they only do so insofar as societies are capable of recovering from them and continuing the long-term trend towards growth.
    Do you think GDP growth is irrelevant as well simply because economies occasionally experience recession?

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    Re: Greatest threat to this planet.

    Quote Originally Posted by Gathomas88 View Post
    Always followed shortly thereafter by returns to growth.
    So what?

    Do you think GDP growth is irrelevant as well simply because economies occasionally experience recession?
    Again, so what?
    Quote Originally Posted by matchlight View Post
    Justice Thomas' opinions consistently contain precise, detailed constitutional analyses.
    Quote Originally Posted by jaeger19 View Post
    the vast majority of folks that need healthcare are on Medicare.. both rich and poor..

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    Re: Greatest threat to this planet.

    Greatest threat to the planet? The planet would survive any of those options except the death of the Sun and a planet killing asteroid. But an asteroid hitting us is a chance that may not happen. The sun running out of hydrogen and engulfing the inner solar system is definite.

    Human over population would only cause the death of humans, not the planet.

    Global warming has never caused any problems. So I picked the last choice.
    It's okay to be white

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    Re: Greatest threat to this planet.

    Quote Originally Posted by sangha View Post
    So what?

    Again, so what?
    So? The trend for literally the entirety of human history has been towards growth - with regards to wealth, population size, and technology - at the expense of our environment.

    The only societies we are aware of which have maintained "stability" or "equilibrium" with their environment, the hunter-gatherers which I mentioned before, have completely and totally failed to advance.

    That's not a coincidence.

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    Re: Greatest threat to this planet.

    Most responders are neglecting the importance of our atmosphere's role in filtering out harmful emissions from the sun and other cosmic sources. If humans excessively damage or change the atmosphere with pollution or warfare it could kill all of us, possibly all life. A large enough volcano or meteor could also do the same.

    "Risk: Cosmic rays are high energy particles fired at nearly the speed of light by the Sun, supermassive black holes and supernovae. They have the ability to blast right through your body, damaging DNA as they go. Long term exposure to cosmic rays increases your chances of getting cancer. Fortunately, we have our atmosphere to protect us. As cosmic rays crash into the atmosphere, they collide with the oxygen and nitrogen molecules in the air.

    Risk: Gamma rays and X-rays. As you know, radiation can damage the body. Just a single high-energy photon of gamma rays can cause significant damage to a living cell. Once again, though, the Earth’s atmosphere is there to protect us. The molecules in the atmosphere absorb the high-energy photons preventing any from reaching us on the ground. In fact, X-ray and gamma ray observatories need to be built in space because there’s no way we can see them from the ground.

    Risk: Ultraviolet radiation. The Sun is bathing the Earth in ultraviolet radiation; that’s why you get a sunburn. But the ozone layer is a special region of the atmosphere that absorbs much of this radiation. Without the ozone layer we would be much more exposed here on the surface of the Earth to UV rays, leading to eye damage and greater incidence of skin cancer.

    Risk: Solar flares. Violent explosions on the surface of the Sun release a huge amount of energy as flares. In addition to a blast of radiation, it often sends out a burst of plasma traveling at nearly the speed of light. The Earth’s magnetosphere protects us here on Earth from the effects of the plasma, keeping it safely away from the surface of the planet. And our atmosphere keeps the X-ray/gamma ray radiation out.

    Risk: Cold temperatures. Space itself is just a few degrees above absolute zero, but our atmosphere acts like a blanket, keeping warm temperatures in. Without the atmosphere, we’d freeze almost instantly....."
    How Does the Earth Protect Us From Space?
    Last edited by Hard Truth; 08-05-14 at 09:01 PM.

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    Re: Greatest threat to this planet.

    I know which one I'm least afraid of: over-population. I know most people selected it but it's probably the least realistic worry we face. We aren't approaching a malthusian collapse and we have the ingenuity and resources to overcome and meet our needs for the coming century and beyond.

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    Re: Greatest threat to this planet.

    Quote Originally Posted by Gathomas88 View Post
    So? The trend for literally the entirety of human history has been towards growth - with regards to wealth, population size, and technology - at the expense of our environment.

    The only societies we are aware of which have maintained "stability" or "equilibrium" with their environment, the hunter-gatherers which I mentioned before, have completely and totally failed to advance.

    That's not a coincidence.
    That's just untrue. The most crucial and critical technologies (ex fire, the wheel, agriculture) in human history were discovered and developed by hunter-gatherers. Modern man stands on the shoulders of giants

    Hunter-gathering giants who were much shorter than us.
    Quote Originally Posted by matchlight View Post
    Justice Thomas' opinions consistently contain precise, detailed constitutional analyses.
    Quote Originally Posted by jaeger19 View Post
    the vast majority of folks that need healthcare are on Medicare.. both rich and poor..

  8. #88
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    Re: Greatest threat to this planet.

    Quote Originally Posted by sangha View Post
    That's just untrue. The most crucial and critical technologies (ex fire, the wheel, agriculture) in human history were discovered and developed by hunter-gatherers. Modern man stands on the shoulders of giants

    Hunter-gathering giants who were much shorter than us.
    Yup, by hunter-gatherers who went on to breed like bunny rabbits and develop agriculture, civilization, and everything else we currently enjoy along the way.

    They didn't spend the last ten thousand years lingering in loin-clothed "equilibrium" with nature.

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    Re: Greatest threat to this planet.

    Quote Originally Posted by Gathomas88 View Post
    That was frankly in response to Sangha's initial post as much as your's.

    I agree that we should not go out of our way to try and destroy our planet's natural order if it can be avoided. I was simply responding to the general attitude (so commonly held by the modern Left) that "stability" and "equilibrium" should be held to trump material progress, and that the "planet" is somehow more important than humanity.

    It's a rather regressive and "Hobbit" minded philosophy, IMO, and one which I find to be extremely annoying on the whole.

    If it comes down to planet vs progress, I'm very much on the side of progress. lol
    No, I don't hold to the tenant that we should needlessly suffer the loss of our prosperity or progress for the sake of simple minded environmental conservation. It overrides our prime and principle concept of providing for the population. But stopping some of the waste, pollution and tearing up of the landscape and ecology for sheer corporate greed is a necessary step in trying to survive as a species.

    The pollution of Lake Erie and the algae bloom contaminating the water on Ohio is a good example. We're beginning to see the stress of a growing populations needs on the planets resources.
    Einstein, "science without religion is lame, religion without science is blind."

  10. #90
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    Re: Greatest threat to this planet.

    Quote Originally Posted by Gathomas88 View Post
    Yup, by hunter-gatherers who went on to breed like bunny rabbits and develop agriculture, civilization, and everything else we currently enjoy along the way.

    They didn't spend the last ten thousand years lingering in loin-clothed "equilibrium" with nature.
    Yes, the most important discoveries humans have made were hunter-gatherers (who spent far more than ten thousand years as h/g's)

    Glad you agree!!
    Quote Originally Posted by matchlight View Post
    Justice Thomas' opinions consistently contain precise, detailed constitutional analyses.
    Quote Originally Posted by jaeger19 View Post
    the vast majority of folks that need healthcare are on Medicare.. both rich and poor..

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