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Politics : Formerly About Advanced Micro Devices -- Ignore unavailable to you. Want to Upgrade?

To: TimF who wrote (311745)	11/22/2006 11:55:13 AM
From: combjelly	Read Replies (3) \| Respond to of 1577920

"Its much cheaper and easier to make a new variant of a tomato, or other crops, or even to shift some production to new areas, then it is to greatly reduce CO2 emissions." You know this, how? To greatly shift the range of a crop requires a lot of generations of selection. "Some foods do indeed do better in warmer weather, and also plants may do better with higher CO2. " And few of them are ones that are generally used. You are willing to bet the economy on "may"? "Sufficiently slow and steady will allow for natural and artificial changes in crops." What is "sufficiently"? There is every reason to believe that once the balance is upset, the amount of CO2 and other greenhouse gases can greatly increase in a short amount of time. There is a huge amount of carbon tied up in arctic tundra, bogs, rain forests and bottom ocean water. All of which are subject to dumping their carbon load with a change in climate. At what point do the chlathrates become unstable? Dumping a huge load of methane into the atmosphere would have a dramatic short term effect.