Quote:
Originally Posted by Drifter
Methane is gone in 12 years so it really isn't 27x worse than CO2 (which sticks around hundreds of years). And a hotter earth with more (liquid) water is going to be more humid resulting in more cloud cover (& storms/extreme weather). Clouds are essentially as reflective as snow, but they'll cover a greater percentage of the earth's surface.
A hotter, more humid earth will probably result in more tropical diseases. It'll also make some formerly arid land areas able to grow crops which, while deserts reflect better than forests, will capture more CO2.
Cliff notes: While may royally **** up the the earth's climate for a few thousand years, making it harder for (the poorest of) us to survive, life on earth will adapt and soldier on over the next ~2 billion years until the sun dies.
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1) For twelve years the methane is 27X more powerful.
2) It biodegrades to carbon-dioxide, and remains in the atmosphere for 1,000-years.
3) Water vapor is the #1 greenhouse gas.
4) A 1-C rise in global temperature increases the atmospheric concentration of water vapor by 7%, increasing warming on top of what the anthropogenic GHGs add.
5) More humidity = more heat index, which means more heat stress, heat stroke, and heat death. ( 70,000 died in the 2003 European heat wave alone )
6) Marine stratiform clouds are the most important to radiative forcing and are what primarily cool the Earth. The presence of near-supersaturation and cloud condensation nuclei do not guarantee cloud formation at high dew-points, a feature of a warming planet.
7) Clouds also HOLD heat.
8) They can prevent night-time cooling, raising 'low' temperatures.
9) Yes, atmospheric rivers, tornados, and tropical cyclones all derive their 'fuel' from tropical moist air.
10) Yes, say hello to:
-Crimean-Congo Haemorrhagic fever
- Angiostronylus vasorm
- Chyridiomycosis
- Babasia bigemina
- SARS
- Ebola
- Nipah virus-
- Toxoplasma gondi
- Helicobacter pylori
- Borrelia burgdorferi
- Encephalitis
- Yellow fever
- Dengue Fever ( owner of the place I'm at had this! )
- Zika virus
- West Nile virus
- Tularemia
11) some dry areas will become drier
some wet areas will become wetter
some areas will become desert
some areas will become tropical
12) At 104-F photosynthesis stops. No amount of water or fertilizer makes a difference.
13) All vegetation which can be grown in 400-years is presently burned by humans each year.
14) Unless all carbon emissions are stopped and carbon removed down to 350ppm, life pretty much ends by 2100. We know it from Earth's geologic record.