Other that it is all natural caused by changes in solar activity, the angle of the axis of the earth, something, anything, and now cosmic rays and the formation of Aitken nuclei.

FORBES: "Climategate" Scientists Cleared of Wrongdoing - Again

We have the seasons we currently do, due to the Earth's tilt at an angle of 23 degrees on its axis.

BBC: Why the Moon is getting further away from Earth