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

To: TimF who wrote (311722)	11/22/2006 11:26:31 AM
From: combjelly	Read Replies (1) \| Respond to of 1577883

"You impact food production, but in some cases positively." Those cases are pretty rare. For example, tomatoes won't set if the night time temp. is 70 degrees or above. That means tomatoes here are a spring and fall crop in this part of the country. Even then, the natural fungi in the soil means that most varieties can't be grown because they die early. Wheat and other cereal crops die from the heat before they can head here. Corn does ok if the summers aren't too hot. Okra does real well, but is hardly a major crop. And so on. Yes, there is stuff that does ok, but you are talking about a major shift in diet. And most things don't do better in warmer weather, they just don't die. Extending the growing season in other areas often has little or no effect, the day length doesn't change and many crops are dependent on certain day lengths before they will blossom, set fruit or head. So planting early or trying for more crop cycles doesn't make a whole lot of difference. "Well if the warming is extreme and very quick, it would be almost universally negative" True. But slow and steady doesn't help much if there isn't much movement to be proactive. And if you are being proactive, you might as well consider addressing the cause of the problem.