1. Geomagnetic field - origin, spatial-temporal structure and variability2. Variations and co-variation in paleoclimate and paleomagnetic field3. Current understanding about the factors driving Clime variability4. Contemporary evidence for an existing relation between geomagnetic and climatic parameters5. Galactic cosmic rays and solar particles in the Earth's atmosphere6. Energetic particles' impact on the near tropopause ozone and water vapour7. Mechanisms for the geomagnetic influence on climate8. Concluding remarks