Is Global Warming Happening?

This is the wrong question. What you should ask is "is the climate changing?"

The answer is - yes, it always has, and always will.

Is man responsible?

No; water vapour is the main greenhouse gas, and keeps the planet about 30^oC warmer than it would be if the planet was dry. The effect of carbon dioxide is tiny in comparison.

Most physicists and chemists know this.

Here are some temperature figures:


CAMBRIDGE MEAN ANNUAL TEMPERATURES, 1959-2007.
Here are figures for the last 50 years from the weather station outside Cambridge, England.
Vertical Axis is in degrees Centigrade.



You can possibly see a cooling trend from 1940 to 1980, a slight increase from 1985 to 2000, and nothing much since. Temperatures since the year 2000 seem to have levelled off.

Here's another graph: global temperatures of the lower troposphere since 1997: the data are shown in black. The red line is a 'moving average' based on the black line.



Graphs like this are being used by political organisations to justify the spending of huge amounts of money on energy generation schemes which will not work or which are astronomically expensive.

It would be difficult to find a better way of destroying the profitability of our companies.

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