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Politics : The Trump Presidency
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To: Wharf Rat who wrote (312975)12/9/2024 3:00:47 PM
From: Maurice Winn4 Recommendations

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longz
Maple MAGA
SirWalterRalegh
Thomas M.

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Dear Wharfie,. The theory that more and deeper floods will result from CO2 at 400 ppm instead of 280 ppm and even more at 500ppm instead of 400 ppm is bung. A warmer world will make water cycle through the atmosphere and rivers faster but that doesn't mean things are worse than they'd otherwise be. A frozen snowball Earth would have little flooding. A reglaciated Earth would also have greatly reduced flooding. But that doesn't mean it would be better. Ottawa under a kilometre of ice would be much worse than getting the occasional flood on the plains and ice sliding over the banks pushing houses over in the spring thaw and flood.

The solution to flooding is to not build where the floods happen and have been happening for millions of years. With the end of the Little Ice Age, I guess flooding has increased, maybe even measurably. But maybe it's less as there is less ice melting and spring flooding from that rapid release of gigatons of water.

The basic rule = don't build where you are going to get flooded by rivers flowing downhill or oceans getting half a metre deeper over the next 100 years. Or where a 10 metre tsunami will get you in 1 second if an asteroid like Tunguska splashes the ocean near you. There are also the torpedo nukes that are designed to make tsunamis - stay clear of those.

Heat and cold both kill. I wonder what a global vote would find to the question "Would you like the average temperature to be up or down 1 degree Celsius?" I'd vote for up 5 degrees. I love heat. The very few times I've been sweltering and wishing for relief it was easy enough to stop driving the car and call it a day at 3.30pm, or get in the ocean, or go in an air conditioned shop [Singapore], or just have a damp face cloth handy and a bucket of water to put my feet in. Mostly I'm too cold = 99% of the time.

Regarding crops, they do much better with 1000 ppm CO2 than the Tragedy of the Commons starvation level of 280 ppm before people saved the world by burning oil, gas, coal, forests. They need a lot less irrigation with high CO2. Of course they need to be produced where they won't be flooded too often. The Hauraki plains used to flood regularly. $millions were spent building huge flood prevention embankments and giant pumps. There hasn't been a flood since I was a child about 70 years ago. It's a huge productive area, no longer a swampy wasteland. Holland has much more impressive flood control. London has the tidal gates at the end of the Thames estuary.

Mqurice
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