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Global warming (was Boscastle)
"John Rowland" wrote in message ...
"David Chorley" wrote in message om... A change in the concentration of carbon dioxide would have to be huge to perform this degree of effect. 2. Paeleontology. The records of prehistoric London show a savannah-like climate with species much more like East Africa as recently as 10000 years ago You sound like a knowledgeable bloke, but if global warming is hokum, why does New Scientist tell me it's real? Is this to do with research grants, like the asteroids heading towards the Earth that the astronomers find whenever they are trying to get increases in funding? Astronomers continually detect asteroids which will pass near Earth. They quite correctly point out that there is a small probability of impact. The media then blows this up, and Jo Public has no idea what probability is, so the whole thing gets blown out of all proportion. Subsequent obeservations (multiple observations are required to define the orbit) reduce probability to zero. Because of public ignorance, astronomers are now not sure how to report potentially hazardous objects. Should they keep them secret? Anyway, Spaceguard and related NEO (Near Earth Object) searches are essential, because sooner or later (probably later, but maybe next month) an asteroid is going obliterate a few 1000km2. It probably happened twice last century. And it now appears that less than a million years ago, we were hit by what Hollywood called an Extinction Level Event. With amzing luck, it hit Antarctica, only causing tidal waves and a 7m rise in sea level, but no huge dust cover. Furthermore, aren't you concerned that the North Atlantic Conveyor seems to be stopping, or is that hokum too? More information is required, but given the impact of this event hapenning, we need to investigate FAST. If it is, buy shares in treble glazing firms. We will have a few decades to revamp our entire infrastructure to handle a Labrador type of climate - yes the railways could still run fine, but not in their current state. |
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Global warming (was Boscastle)
On Fri, 20 Aug 2004 01:48:12 -0700, Alex Terrell wrote:
yes the railways could still run fine, but not in their current state. Bit like now then? |
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