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You can calculate surface temperature using only atmospheric pressure at the surface and solar radiation at the top of the atmosphere. No need for green house gases.


The reason the hottest temperatures of the year are later than the solstice is because the land and oceans need time to warm up. Interestingly enough, there's a name for this phenomenon - "the lag of the seasons".


It is estimated that aviation is responsible for 12% of transport CO2 emissions worldwide at present (2015 data), with an additional effect due to NO2 and induced O3. Transport itself contributes just over a quarter of all CO2 emissions, with the other main contributions from power (electricity) production, industry, commercial and residential sources, and ...

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