How do you feel about CERN? They seem to think that the warming can be explained by, and this is bolt from the blue, the Sun. When the Sun is more active, it reduces the cosmic rays from hitting Earth and when it is less active, more cosmic rays "seed" clouds in the upper atmosphere creating a cooling feed back loop.
Can you say Little ice Age?
This is a reasonable and provable hypothesis that the Journal nature has run an article explaining. As i understand it, the 8000 scientists from 60 nations are pretty smart and they seem to think there is a plausible alternative explanation.
Now, back to you. It is you who seem to be endorsing the AGW theory. What do you have for proof?
Did CLOUD Just Rain on the Global Warming Parade? - Forbes
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Global warming advocates have responded, in turn, that while the sun has indeed been more active in the last half of the century, the actual percentage change in solar irradiance is tiny, and hardly seems large enough to explain measured increases in temperatures and ocean heat content.
And thus the debate stood, until a Danish scientist named Henrik Svensmark suggested something outrageous — that cosmic rays might seed cloud formation. The implications, if true, had potentially enormous implications for the debate about natural causes of warming.
When the sun is very active, it can be thought of as pushing away cosmic rays from the Earth, reducing their incidence. When the sun is less active, we see more cosmic rays. This is fairly well understood. But if Svensmark was correct, it would mean that periods of high solar output should coincide with reduced cloud formation (due to reduced cosmic ray incidence), which in turn would have a warming effect on the Earth, since less sunlight would be reflected back into space by clouds.
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