Berkeley CSUA MOTD:Entry 52554
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2022/06/25 [General] UID:1000 Activity:popular
6/25    

2009/2/10-17 [Science/GlobalWarming] UID:52554 Activity:nil
2/10    Meat causes global warming:
        http://preview.tinyurl.com/d6ao4r [new scientist]
        \_ The IPCC has said this for a while.  More greenhouse gasses result
           from the meat industry than from all of the transportation industry.
        \_ bullshit (literally). Thats mostly recycling carbon that was on
           the surface anyway (same argument the biofuels folks can use that
           they are carbon neutral).  The real villain is all the carbon we
           are digging up from deep underground and releasing.
           \_ I see your point, but isn't methane a more potent global warming
              gas, per pound of carbon, than CO^2?
              \_ By about a factor of 25, yes
           \_ So you reject the IPCC?
2022/06/25 [General] UID:1000 Activity:popular
6/25    

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Cache (2012 bytes)
preview.tinyurl.com/d6ao4r -> www.newscientist.com/article/dn16573-eating-less-meat-could-cut-climate-costs.html?full=true&print=true
Cutting back on our huge intake of beef and pork would be a huge step towards halting climate change (Image: Rex) Cutting back on our huge intake of beef and pork would be a huge step towards halting climate change (Image: Rex) Cutting back on beefburgers and bacon could wipe $20 trillion off the cost of fighting climate change. That's the dramatic conclusion of a study that totted up the economic costs of modern meat-heavy diets. The researchers involved say that reducing our intake of beef and pork would lead to the creation of a huge new carbon sink, as vegetation would thrive on unused farmland. The model takes into account farmland that is used to grow extra food to make up for the lost meat, but that requires less area, so some will be abandoned. Millions of tonnes of methane, a potent greenhouse gas, would also be saved every year due to reduced emissions from farms. Methane, a potent greenhouse gas, is released from flatulent cows and by manure as it decays. Grain requires fertiliser, which is energy intensive to produce. Stehfest has now weighed the economic impact of beef and other meats against the cost of stabilising carbon dioxide levels at 450 parts per million - a level that some scientists say is needed to help prevent dangerous droughts and sea level rises. If eating habits do not change, Stehfest estimates that emissions would have to be cut by two-thirds by 2050, which is likely to cost around $40 trillion. If, however, the global population shifted to a low-meat diet - defined as 70 grams of beef and 325 grams of chicken and eggs per week - around 15 million square kilometres of farmland would be freed up. Vegetation growing on this land would mop up carbon dioxide. It could alternatively be used to grow bioenergy crops, which would displace fossil fuels. Supermarket labels Greenhouse gas emissions would also fall by 10% due to the drop in livestock numbers, she calculates. Together, these impacts would halve the costs of dealing with climate change by 2050.