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Anthropogenic global warming?

Discussion of the distribution and abundance of living organisms and how these properties are affected by interactions between the organisms and their environment

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Postby AstusAleator » Fri Nov 16, 2007 2:11 am

What did the parasitic Candiru fish say when it finally found a host? - - "Urethra!!"
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Postby Cristgonz » Fri Nov 16, 2007 6:43 pm

i think man is the main responsible of the global-warming.
my "cattle ranch's" teacher said to me that cow's farts was not an important source of CH4.
if someone could post an official report it could be nice.
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Postby mith » Fri Nov 16, 2007 9:32 pm

http://www.epa.gov/methane/sources.html

Cattle farming is definitely one of the biggest sources.
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Postby AstusAleator » Sat Nov 17, 2007 2:25 am

wow if you combine enteric fermentation and manure management it's way more than even landfills and natural gas.
What did the parasitic Candiru fish say when it finally found a host? - - "Urethra!!"
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Postby Jones » Tue Nov 20, 2007 6:51 pm

First of all, there is no way in hell we can blame global warming on cows, they do produce methane but they've done that forever a cow fart is not an evolutionary development. Now what does happen to be increasing is the amount of pollutants we've been pumping into the air, IF global warming is caused by humans it's not because we raise cows it's because we drive cars and build gigantic industries.
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Postby alextemplet » Tue Nov 20, 2007 7:24 pm

The main point behind the cow flatulence is not to blame the cows themselves but the people that keep breeding them and destroying habitats to clear land to raise them.

No matter how you look at it, global warming is a problem caused by humans.
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Postby mith » Tue Nov 20, 2007 9:45 pm

Well, how many cows are we ranching compare that to how many cows that used to exist in the wild and you might see a correlation to green house gases. One remedy might be to raise kangaroos instead of cattle.
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Postby Jones » Tue Nov 20, 2007 10:25 pm

Or big game such as elk and deer? I live in a very small place and hunting is popular, and just the other day I was talking with a friend of mine and they were saying how it would be amazing to raise and kill and sell elk instead of cows. I was wondering at first why this hadn't happened before, why people didn't start this, and then it HIT me, hunting is a huge part of the economy in Wyoming and other parts of the mid west, it's somewhere around 500 dollars for an elk license, if you're a tourist that wants to hunt! I can assume from this information that there's a chance the same thing works for kangaroos and other animals that could be raised in bulk to produce food for the U.S. and other countries. So, either we raise cows cheaply and continue to eat beef, or spend large amounts of money raising elk or kangaroos.
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Postby mith » Tue Nov 20, 2007 10:40 pm

Why do you assume kangaroos would be expensive to raise? There is an overpopulation in Australia. Plus elk are probably as bad as cattle in terms of methane production. Kangaroos on the other hand don't produce methane because they have a different set of intestinal fauna.
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Postby Jones » Tue Nov 20, 2007 11:18 pm

If you read what I put there you'd understand my reasoning.
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Postby mith » Wed Nov 21, 2007 3:19 am

Well you said that it's expensive to hunt elk, therefore you would pay more, however this does not really apply to kangaroos which are plentiful and do not need ranches to raise. And even if you did raise them in a ranch, I already said that they would not contribute to global warming in the same way as cattle thus you get red meat and a smaller ecological footprint. Best of both worlds.
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Postby alextemplet » Wed Nov 21, 2007 5:47 am

Hm, kangaroo is one of the few animals that I haven't eaten yet. I wonder how they taste.
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