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Naturally occurring changes in winds, not human-caused climate change, are responsible for most of the warming on land and in the sea along the West Coast of North America over the last century, a study has found.
"There is no doubt that regionally, the changes in temperature are dominated by changes in the atmospheric circulation that likely have little or nothing to do with climate change," Trenberth said. But, he added, "this does not call into question the concept of global warming."
Trenberth said. But, he added, "this does not call into question the concept of global warming."
originally posted by: irgust
I agree that climate change or global warming or what ever they call it this week isn't caused by man but the earth has had it many times in the past. They have even found fossils of plants and dinosaurs in the Antarctic under the ice. But the politicians are trying to blame people for the weather changes. The fossils I read about in the Antarctic were 150 million years old and I don't think the dinosaurs had coal powered power plants back then. But you never know there might have been a Obamasaurs wanting a carbon tax back then.
But there will be a lot of people wanting to disagree with you soon. Good luck.
originally posted by: raymundoko
I've discussed this in several other threads. I think human caused warming via green house gases has little to no impact on the overall climate of the earth. I think we are a drop in the bucket, and any damage we could ever do would only be to the detriment of ourselves and some species unfortunate enough to live in our habitat.
and now we're at NINE billion
We generate HEAT here, simply by being alive. We generate HEAT here, simply by cooking our food and driving our cars, much like before, but only 9 times as many people.
Tell me that's not a lot of extra heat generated here, at the surface.
My 1972 Pontiac 6.2L Firebird, getting around 14MPG put out about as much CO2 per mile as my 1981 VW Scirocco getting 30MPG.
What's up with that, by the way? How did we manage 30MPG in the 80's and now we're struggling to get to the 30's?
1979–1981 1.6 (1,588 cc), 1980 USA model available with a 1.8L Diesel, 1981 USA models 1.7 (1,715 cc)), all featuring a single-overhead camshaft and two valves per cylinder.
1.6L 54 PS (40 kW; 53 hp) I4
1.6L 70 PS (51 kW; 69 hp) I4 TD
The 1.6-liter will be available at power levels ranging from 74 to 103 hp.
originally posted by: Grimpachi
a reply to: abecedarian
Well that is even further apart.
For the diesel engine 1.6L golf you have the HP below.
1.6L 54 PS (40 kW; 53 hp) I4
1.6L 70 PS (51 kW; 69 hp) I4 TD
Here is a link to VW releasing the 1.6L diesel again.green.autoblog.com...
The 1.6-liter will be available at power levels ranging from 74 to 103 hp.
I can guarantee the MPG will be higher than 30.
So there you have an apples to apples comparison. Engine technology has increased both in performance and MPG and at the same time the cars have reduced their emissions while adding more features into them.