Then, during the "Little Ice Age" of the late 1700's cannons could cross the Hudson River near New York City on the solid ice. Dickens' had the snowy settings for his stories in London. In short, we are at neither the warm nor cold extremes of recent history. We should remember that previously we worried about a man-made "Ice Age" during the three cold winters of 1976-77 (with record cold, record Buffalo area snow, though NYC got almost no snow, the Hudson River froze); 1977-78 (with record East Coast snows); and 1978-79 (with record Chicago area snows).
Before steps are taken that will bankrupt the Canadian and US economies (mostly to benefit European economies) a bit of calm reflection is in order. The details of the Kyoto accord show its cynicism; the base year for calculating greenhouse gases is 1990, just prior to when Europe and Japan started a major recession and just before the USA and Canada experienced economic growth. If countries are forced to reduce emissions 15% from 1990 levels, guess which countries get to suffer? Almost entirely Canada and the US. On that score, I have a modest suggestion; suggest to the Europeans that the base year for measuring Kyoto compliance be changed from 1990 (12 years ago) to 2000. See how fast the Europeans would look to get out of Kyoto.
See, if you're interested, I refer you to these links:
http://www.intellicast.com/DrDewpoint/Library/1305/
http://www.intellicast.com/DrDewpoint/Library/1295/
The summation of this is that there are many causes of climate change; there are the famous, roughly 3-5 year El Nino, La Nina cycles, there is the less famous 30 year Pacific Decadal Oscillation (that has biased towards warming from 1977 on and should now be causing a bias towards cooling), even longer sunspot cycles, etc.
Some evidence of this cooling is the last three winters in the NYC area; first time, in recorded history, with more than 101.6 cm snow three winters, back to back. And this trend extends even further back. 1995-6 was the snowiest winter in area history (Central Park, 190.5 cm snow) and 2000-1, about 102 cm. snow. With the exception of mild winters in 1994-5, 1996-7, 1997-8 (the Super El Nino) and 1998-9 (leftover warmth from that event, even though Mayor Lastman would differ on even that winter), and 2001-2 (sunspots) we've been colder than normal since 1992-3.
Note: http://www.intellicast....
http://www.intellicast....

While I agree that the cause of possible global warming is not known (I favour the hotter Sun theory), I do disagree that we've been colder than normal.
Perhaps where you live, but 2005 was the warmest and wettest year on record in Canada. Since the 1st 2006, we've broken many daytime high records, some well before sunrise. We also got very little snow in October/November, so the albiedo effect isn't helping us get cooler.
And we really need the cold. There are several large beetle infestations that need the cold cycle to kill them. It has to get below -30 to -40 for a few nights, then this forgien species will die.
It hasn't fallen below -20, but once, and it's usually been -10 to -15 overnight since Halloween.
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"If you must kill a man, it costs you nothing to be polite about it." Winston Churchill
I would appreciate not just a response from them, but also an explanation for this attitude.<br />