https://en.wikipedia.org/wiki/Earth%27s_magnetic_field#Measurement_and_analysis >>The Earth's magnetic field strength was measured by Carl Friedrich Gauss in 1832[64] ... Pretty sure when the magnetic field will reach a critically low level, something dramatic will happen, regarding "the climate". Well regarding everything, climate included, this can't be of no consequence whatsoever And of course there's nothing we can do about it, it's like that Now idk what would be that critically low level, so I can't estimate the time left