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If the poles are beginning to flip (which would weaken our magnetic shield during the reversal), we could see increased problems with electronics and satellites during solar flares. Animals that migrate using Earth's polarity could have some serious issues. Compasses won't work right for a long time. But it's not going to change Earth's axial tilt and effect our seasons. Humanity has a lot of bigger problems to worry about than a flip. But I wouldn't bother buying a new compass anytime soon.
Not to worry about seasons. I have no idea about that. I do know that calibrations of GPS systems has all of a sudden become important. For seeding and spraying and harvesting applications where measurements have to be down to an inch or less things are changing now where old measurements were used for years. Or since GPS farming started about 20 years ago. Something is up.