Certain gasses in the atmosphere absorb heat energy and reduce the amount that escapes into space This „trapping‟ of heat from our only source of warmth – the Sun – by the atmosphere is known as the „Greenhouse Effect‟
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Is Global Warming Happening?
This gives us a global average temperature of +15°C rather than -18°C if we had no Greenhouse Effect
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Important Facts
Water vapour is the most important greenhouse gas - ~ 60 - 98% of the greenhouse effect is due to water vapour in the atmosphere (jury still out) CO2 and other minor gasses account for the remainder
Global Warming and Science
So far the balanced story of basic science is not getting through to the public
There is at least one alternate hypothesis and a new theory Fran Manns, Artesian Geological Research, Toronto
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What is Global Warming?
Throughout time the Earth’s climate has varied Since the base of the Pleistocene (1.8 M ya) there have been at least 30 glacial - interglacial cycles of 40,000 years to 100,000 years duration with interglacial periods warmer than now between them Sea level has risen 125 metres in the past 20,000 years. That 6 mm a year (arithmetic average).
Mercury - + 427 to – 172 º C Mars - temperate zone soil + 27 to – 80 º C Moon - + 107 to 153 º C
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What is the Greenhouse Effect?
ICPP recently cited 2-3 mm a year – one might say it’s slowing down. All the world’s coastal tribes have flood myths because they lived on the continental shelves.
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Athabasca Glacier has been receding since the ice age
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Pennekamp Park – Key Largo Reefs keep pace with sea level rise
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Contribution to the Greenhouse Effect (including water vapour)
/WVFossils/greenhouse_data.html
Artesian Geological Rel ages the climate varies due to external and internal influences – some result in cooling. Others allow the Earth to warm

There are short-term cycles – e.g. ‘El Niñ o’, among others: for example - the 10 to 12 year long solar energy cycles, and cycles that relate to oscillation of Atlantic and Pacific ocean masses, and the Milankovich orbital cycle.
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Solar System
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What If?
If The atmosphere did not absorb incoming heat, we would roast all day and freeze-dry at night and end up like a sundried tomato