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#1
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global warming
there are many theors about global warming but one thing is for
certain. we need to cut down on the toxic emisions we produce especialy co2, and we need to stop cutting down the trees which help us change co2 into oxygen by photosinthisis |
#2
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"kim" wrote in
ups.com: there are many theors about global warming but one thing is for certain. we need to cut down on the toxic emisions we produce especialy co2, and we need to stop cutting down the trees which help us change co2 into oxygen by photosinthisis Eh. Carbon dioxide comprises only about 0.03% of the atmosphere, and an increase of 10% adds not much at all. Not much at all when you look at another greenhouse gas, water vapor, which is generally 4-5% of the atmosphere, fluctuates on a seasonal and daily basis and nobody is worried about. As far as trees are concerned, only about 20% of photosynthesis occurs on land, the ocean is a much more important site for photosynthesis. Sean |
#3
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This the type of balanced view that I appreciate. OK cutting down trees
will not help, but will not more CO2 promote more vigorous vegetative growth? The bigger threat seems to be warmer seas killing off the organisms there that photosynthesise. Peter "Sean Houtman" wrote in message news:1127793963.20994beb143410f5ec5bdd2964cc2359@t eranews... "kim" wrote in ups.com: there are many theors about global warming but one thing is for certain. we need to cut down on the toxic emisions we produce especialy co2, and we need to stop cutting down the trees which help us change co2 into oxygen by photosinthisis Eh. Carbon dioxide comprises only about 0.03% of the atmosphere, and an increase of 10% adds not much at all. Not much at all when you look at another greenhouse gas, water vapor, which is generally 4-5% of the atmosphere, fluctuates on a seasonal and daily basis and nobody is worried about. As far as trees are concerned, only about 20% of photosynthesis occurs on land, the ocean is a much more important site for photosynthesis. Sean |
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