Big Coal Predicted Climate Change...In 1966

Discussion in 'Political Opinions & Beliefs' started by Lesh, Nov 24, 2019.

  1. Lesh

    Lesh Banned

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  2. Capt Nice

    Capt Nice Well-Known Member

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    Speaking of coal, now are trump's coal miners doing? Any body know?
     
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  3. HereWeGoAgain

    HereWeGoAgain Banned

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    I think they've been building the great wall of New Mexico
     
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  4. ImNotOliver

    ImNotOliver Well-Known Member

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    The scientific community, or at least those who concern them selves with such things, had known about global warming for more than a hundred years. The mechanism of global warming, the so called greenhouse effect, has been in textbooks at least since the fifties.
     
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  5. HereWeGoAgain

    HereWeGoAgain Banned

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    https://phys.org/news/2018-06-years-earth-due-greenhouse-gas.html

    1896 is the same year X-Rays were discovered. I wonder how many right wingers don't believe in X-Rays.
     
    Last edited: Nov 24, 2019
  6. DavidMK

    DavidMK Well-Known Member

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    Protesting for pay.
     
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  7. Lesh

    Lesh Banned

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    Watching their mines close and jobs disappear
     
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  8. Dayton3

    Dayton3 Well-Known Member

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    I like the coal mining industry a great deal.
     
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  9. Lesh

    Lesh Banned

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    Is it the slag piles or the black lung that attracts you more?
     
  10. Jestsayin

    Jestsayin Well-Known Member Past Donor

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    In the states that have prevented their resident's electric bills from tripling, they are doing just fine thank you very much. How's your utility bill doing?
     
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  11. 61falcon

    61falcon Well-Known Member

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    They apparently neglected to inform the vast majority of right wingers??
     
  12. Dayton3

    Dayton3 Well-Known Member

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    I like the enormous mining machines used in above ground mining. In particular the giant dump trucks.
     
  13. Lesh

    Lesh Banned

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    My grand kid loves trucks too
     
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  14. Hoosier8

    Hoosier8 Well-Known Member Past Donor

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  15. AFM

    AFM Well-Known Member Past Donor

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    No inundations observed. New York is sinking but still above water. London is doing just fine.

    When will these predictions come true ?? When will these vast changes take place ??

    You seriously want us to believe that coal industry scientists were the only ones who understood the actions of CO2 in the test tube ??

    And as Hoosier points out above these predictions were made just before the global cooling alarmism of the 70's.
     
  16. AFM

    AFM Well-Known Member Past Donor

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    Projecting what occurred 100 years ago onto the present is a characteristic of the progressive left. How many coal miners are being affected by black lung disease today ?? How many slag heaps (whatever those are) have been discovered in the last decade ??
     
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  17. AFM

    AFM Well-Known Member Past Donor

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    The earth has been warming for the last 150 years. CO2 has been significantly increasing only in the last 80 years. Where is the causation ??

    Why would anyone assume that those on the right would not believe that X-Rays are real ??
     
  18. Robert

    Robert Well-Known Member Past Donor

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    http://www.omafra.gov.on.ca/english/crops/facts/00-077.htm

    Introduction
    The benefits of carbon dioxide supplementation on plant growth and production within the greenhouse environment have been well understood for many years.

    Carbon dioxide (CO2) is an essential component of photosynthesis (also called carbon assimilation). Photosynthesis is a chemical process that uses light energy to convert CO2 and water into sugars in green plants. These sugars are then used for growth within the plant, through respiration. The difference between the rate of photosynthesis and the rate of respiration is the basis for dry-matter accumulation (growth) in the plant. In greenhouse production the aim of all growers is to increase dry-matter content and economically optimize crop yield. CO2 increases productivity through improved plant growth and vigour. Some ways in which productivity is increased by CO2 include earlier flowering, higher fruit yields, reduced bud abortion in roses, improved stem strength and flower size. Growers should regard CO2 as a nutrient.

    For the majority of greenhouse crops, net photosynthesis increases as CO2 levels increase from 340–1,000 ppm (parts per million). Most crops show that for any given level of photosynthetically active radiation (PAR), increasing the CO2 level to 1,000 ppm will increase the photosynthesis by about 50% over ambient CO2 levels. For some crops the economics may not warrant supplementing to 1,000 ppm CO2 at low light levels. For others such as tulips, and Easter lilies, no response has been observed.

    Carbon dioxide enters into the plant through the stomatal openings by the process of diffusion. Stomata are specialized cells located mainly on the underside of the leaves in the epidermal layer. The cells open and close allowing gas exchange to occur. The concentration of CO2 outside the leaf strongly influences the rate of CO2 uptake by the plant. The higher the CO2 concentration outside the leaf, the greater the uptake of CO2 by the plant. Light levels, leaf and ambient air temperatures, relative humidity, water stress and the CO2 and oxygen (O2) concentration in the air and the leaf, are many of the key factors that determine the opening and closing of the stomata.

    Ambient CO2 level in outside air is about 340 ppm by volume. All plants grow well at this level but as CO2 levels are raised by 1,000 ppm photosynthesis increases proportionately resulting in more sugars and carbohydrates available for plant growth. Any actively growing crop in a tightly clad greenhouse with little or no ventilation can readily reduce the CO2 level during the day to as low as 200 ppm. The decrease in photosynthesis when CO2 level drops from 340 ppm to 200 ppm is similar to the increase when the CO2 levels are raised from 340 to about 1,300 ppm (Figure 1). As a rule of thumb, a drop in carbon dioxide levels below ambient has a stronger effect than supplementation above ambient.


    [​IMG]

    Figure 1. The effect of carbon dioxide on net photosynthesis.

    During particular times of the year in new greenhouses, and especially in double-glazed structures that have reduced air exchange rates, the carbon dioxide levels can easily drop below 340 ppm which has a significant negative effect on the crop. Ventilation during the day can raise the CO2 levels closer to ambient but never back to ambient levels of 340 ppm. Supplementation of CO2 is seen as the only method to overcome this deficiency and increasing the level above 340 ppm is beneficial for most crops. The level to which the CO2 concentration should be raised depends on the crop, light intensity, temperature, ventilation, stage of the crop growth and the economics of the crop. For most crops the saturation point will be reached at about 1,000–1,300 ppm under ideal circumstances. A lower level (800–1,000 ppm) is recommended for raising seedlings (tomatoes, cucumbers and peppers) as well as for lettuce production. Even lower levels (500–800 ppm) are recommended for African violets and some Gerbera varieties. Increased CO2 levels will shorten the growing period (5%–10%), improve crop quality and yield, as well as, increase leaf size and leaf thickness. The increase in yield of tomato, cucumber and pepper crops is a result of increased numbers and faster flowering per plant.
     
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  19. Robert

    Robert Well-Known Member Past Donor

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    NY City sits on rock. This is why foundations are not nearly as strong as we needed when I did foundations for heavy structures in Ca.
     
  20. william kurps

    william kurps Banned

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  21. Robert

    Robert Well-Known Member Past Donor

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    Pro for Carbon Dioxide levels to 1500 ppm

    https://fifthseasongardening.com/regulating-carbon-dioxide

    Managing Carbon Dioxide in Your Grow Space

    February 25, 2014 by fifthseason 43 Comments

    If you are green to gardening you might not know that carbon dioxide, the gas we all exhale, is critical to plant growth and development. Photosynthesis, the process through which plants use light to create food, requires carbon dioxide. CO2 concentration in ambient air ranges from 300-500 parts per million (ppm), with a global atmospheric average of about 400 ppm. If you are growing in a greenhouse or indoors, the CO2 levels will be reduced as the plants use it up during photosynthesis. Increasing the CO2 levels in these environments is essential for good results. Additionally, there are benefits to raising the CO2 level higher than the global average, up to 1500 ppm. With CO2 maintained at this level, yields can be increased by as much as 30%!
     
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  22. AFM

    AFM Well-Known Member Past Donor

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    Some of it is on landfill. And actually the crust is sinking as well.
     
  23. AFM

    AFM Well-Known Member Past Donor

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    They are smart but have succumbed to the rewards of the government take over of "science" warned about by Eisenhower in his Presidency farewell speech. Ike also warned about the military-industrial complex in the same speech.
     
  24. Just A Man

    Just A Man Well-Known Member

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    Back in 1966 Big Coal predicted the climate would change. Wow!!! That was 53 years ago. Well in 2019 I predict over the next 53 years it will rain somewhere one day, the temperature will drop below freezing in some states, a state will have a blizzard, one summer a state will have temperatures above 100 degrees, there will be a drought in some states, floods in others, we'll have an earthquake or two, and there will be a hurricane or two. Then throw in a forest fire or two and there's no telling how this climate will change. But it will change. I'm torn between buying a heater or buying an air conditioner. Based on my prediction I think I'll buy both because the climate can change at any moment. I already own a boat.
     
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  25. Lesh

    Lesh Banned

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    CO2 in a Greenhouse...good

    Turning the earth into a giant runaway Greenhouse.-bad
     

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