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The Little Ice Age (LIA) was a period of cooling that occurred after the Medieval Warm Period. ...... CO;2-L. Jump up ^ https://web.archive.org/web/
So, though we are presently in extreme Global Climate change we are expected (sometime this century) to have the sun go dormant with little to no sunspots or solar flares for a time.
When that happens a "mini Ice age" is one of the possibilities people will face on earth.
So, in addition to Global Climate change caused by the cutting down of forests and burning them and fossil fuels there are other variables not often talked about like Geomagnetic Reversal and Geomagnetic excursion (one of which is happening now) and The sun going dormant for many years this century too, which is bound to confuse the hell out of everyone not told about all these things also going on.
However, I can completely see why government wouldn't want people to know all these other things aren't going on too don't you.
However, if you are a researcher like me then you are going to find all these things one by one and realize this isn't as simple or as easy as anyone thought is it?
So, no matter what it is going to be a miracle if ANY humans or any life on earth is alive 1000, 5000, or 10,000 years from now isn't it?