Originally posted by Andy2
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It's too "short term" when the planet evolves in hundreds of thousands of years, these "specialists" are trying to use data they have collected over a couple of years to "prove" something. That cannpt be proven.
When we know from Geological data that the planet has been much hotter than it is now, and much colder (tropical forests that eventually died and turned into coal seams for one example, Ice age rocks in the middle of valleys in Yorkshire for another example).
All this "energy" we are putting out was already there beforehand, you cannot create new energy, or destroy it, all you can do is change it from one form to another. It was something that ate carbon and sunlight that eventually over millions of years turned into something else. It's always been there. Except maybe in the case of nuclear energy?
Plenty of theories out there. If the planet gets too warm the oceans rather than getting deeper will evaporate more water vapour and create clouds which will reflect sunlight. Ice takes up more "space" than water and most of it is under the surface so if it all melts won't the levels of the oceans drop rather than rise?
Land is being "forced down" by the weight of ice, when it melts won't the land rise up out of the sea?
Who knows.
Similar things have happened in the past when Volcanoes have thrown huge piles of ash into the atmosphere, it cooled the planet, killed off crops etc.
Doesn't make any sense to me that the human race is creating all this supposed warming. Hasn't been happening long enough for any real meaningful data. A few half decent volcanic eruptions could cool the planet enough to give us concerns about failing crops. Stop the planet using sunlight to photosynthesize the CO2 back into Oxygen and carbon based energy holders. Wouldn't take much on a global scale.
For instance we have no idea how quickly the planet warmed up last time, we have no idea really how much higher the Oxygen level was when the planet was totally greened up do we? Or how much the CO2 level was cut back by all the greenery. But some people can get away with blaming digging coal out, burning it and boring for oil... Sounds a bit to convenient to me. The next best thing, dig even more holes to get Lithium out of the floor to make batteries. Yes that's a perfectly sensible TCO project isn't it... Chase the money on that one as well.
Really we know nothing, we as a sentient race haven't been on the planet long enough...But there are a lot of people relying on "Global Warming" to bring a wage home I'd suggest.
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