Quote:
Originally Posted by florida.bob
It's funny. Some would be all for a 24 hour event of "Religu-nonsense" but, Science?
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I am not religious...I would rather 24hr of NCIS, and john wayne movies
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as to science
science shows that humans use oxygen and expele (exhale) co2
science shows that greenery (plantlife) uses co2 and expeles o2
science shows that co2 levels have been 3 times HIGHER than they are today, in the past (ie the co2 325 of today is is much lower than the 750-10000 that co2 levels were 100,000 years ago
science shows us that the earth has warmed AND cooled many times
science shows us that ANTARTICA was once a lush furtile land, not covered in ice
science shows us that greenland was once a green lush furtile land, not covered with ice
science shows us that GLACIERS created many of the geographical features that we look at today (ie Long Island was made by the lower reaching of graciers, the great lakes were created by glaciers, the grand canyon was created by glacial melting)
science shows us that plants would grow much better, and use less water if the co2 was HIGHER...around 700-1500ppm compared to the current 320ppm
common sense states that as the earths polulation expands, so does the need for more plantlife...to keep our oxygen levels up.......yet the global warming people only want to talk about car/industry exaust; man created co2,.... and how to tax it
Photosynthesis begins when stomata, pore-like openings on the undersides of leaves, are activated by light and begin breathing in carbon dioxide (CO2) from the air. This CO2 is broken down into carbon (C) and oxygen (O). Some of the O is used for other plants processes, but most is expelled back into the air. The C is combined with water to form sugar molecules, which are then converted into carbohydrates. These carbohydrates (starches) combine with nutrients, such as nitrogen, to produce new plant tissues. CO2 is vital to plant growth and development, and yet is often the most overlooked element in indoor gardening.
Successful indoor growers implement methods to increase CO2 consentrations in their enclosure. The typical outdoor air we breathe contains 0.03 - 0.045% (300 - 450 ppm) CO2.
Research (SCIENCE) demonstrates that optimum growth and production for most plants occur between 1200 - 1500 ppm CO2. These optimum CO2 levels can boost plant metabolism, growth and yield by 25 - 60%.Plants under effective CO2 enrichment and management display thicker, lush green leaves, an abundance of fragrant fruit and flowers, and stronger, more vigorous roots. CO2 enriched plants grow rapidly and must also be supplied with the other five "essential elements" to ensure proper development and a plentiful harvest.
As CO2 is a critical component of growth, plants in environments with inadequate CO2 levels - below 225 ppm - will cease to grow or produce.
As the air's CO2 content rises, most plants exhibit increased rates of net photosynthesis and biomass production. Moreover, on a per-unit-leaf-area basis,
plants exposed to elevated CO2 concentrations are likely to lose less water via transpiration, as they tend to display lower stomatal conductances. Hence, the amount of carbon gained per unit of water lost per unit leaf area - or water-use efficiency - should increase dramatically as the air's CO2 content rises. In the study of Serraj et al. (1999), soybeans grown at 700 ppm CO2 displayed 10 to 25% reductions in total water loss while simultaneously exhibiting increases in dry weight of as much as 33%.
Thus, elevated CO2 significantly increased the water-use efficiencies of the studied plants.
In summary, it is clear that as the CO2 content of the air continues to rise, nearly all of earth's agricultural species will respond favorably by exhibiting increases in water-use efficiency. It is thus likely that food and fiber production will increase on a worldwide basis, even in areas where productivity is severely restricted due to limited availability of soil moisture. Therefore, one can expect global agricultural productivity to rise in tandem with future increases in the atmosphere's CO2 concentration.
so more co2 is actually GREENER...its not theroy, its scientific fact
common sense states that as the earths polulation expands, so does the need for more plantlife...to keep our oxygen levels up
.............yet the global warming liberals only want to talk about car/industry exaust; man created co2,.... and how to tax it
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