I'll explain it once and hope some folks understand it. It's a bit complicated, but so is life. A ten cent lecture on field charge particles and their influence on the climate.

The northern hemisphere is melting in fluctuation with the Total Solar Irradiance. The temperature increase will be most noticed here.

Why?

Good question. Simple answer.

Magnetic fields of force carry charged ions to the north. These ions have already been impacted and most carry a negative charge. They accumulate at the northern hemisphere, aid in the formation of new ozone.

The sun's energy as it hits our magnetic field is pulsed to the north:

Depending on the TSI you have varying payloads of high energy on these lines of force. You can view them as electric currents, because that is precisely what they are.

The ozone hole is always largest in the south. The direction of the field carrys ions away from the south pole and so ozone doesn't reform as quickly in these regions. Both poles, though, are subject to rapid fluctuation in ozone formation/depletion with the north pole always having an edge in formation and temperature.

So the polar ice melts as a result of the increased temperature. This temperature helps to form new ozone there and shield the region though, so this is a good thing.

The ice is part of the atmospheric cycle in this region. Melting ice releases oxygen into the atmosphere which merges with the incoming charged oxygen ions and forms ozone. So if glaciers melt - it creates a thicker ozone layer. On the opposite end of the spectrum, severe cold, as found in the antarctic region, suppreses the formation of ozone.
Ozone breaks down as a result.

So if you want a polar season that is intensely cold, you will notice a bigger ozone hole that season as well. And vice-versa - a warm season fills up the ozone hole.

See how it works now?

Another thing the earth has to look forward to is geomagnetic pole reversal. Roghly every 250,000 years the earth's magnetic field will reverse. Antarctica will be geomagnetic north. The arctic will get extremely cold and a new ice age will grip the "former" northern hemisphere. A huge ozone hole will form at this time as well.

Antarctica will raise in temperature substantially, causing a release of water which will rise the oceans measurably.

Man will be powerless to avert this reversal. Owning property in Canada, Russia or Europe will be inadvisable as the region turns into a glacial nightmare. Wonder what caused the Dino extinction? The last geomagnetic reversal was probably a major factor.

Massive earthquakes all over the world will occur, shifting continents, setting off dormant volcanoes and rearranging land masses. Hurricanes, and tornados will form left and right. The world literally turns upside down. Anyone seeing it would say it was the end of the world.

Nobody knows precisely the time of the last reversal. We could be due for one much sooner than anyone knows.

If you want something of substance regarding atmospheric change to worry about, something that's not just some politically minded scientific folks exploiting general scientific ignorance - that's it.

Fret fret fret!

;-)