Introduction,- 1. Thermal Field of the Earth,- 2. Thermal Properties of Rocks and Density of Fluids,- 3. Methods of Thermal Measurements,- 4. Temperature Anomalies Associated with Some Natural Phenomenon,- 5. Thermal Regime of Permafrost Regions,- 6. Investigation of Deep Lithosphere Structures,- 7. Interpretation of Thermal Measurements,- 8. Temperature Investigations in Petroleum Industry,- 9. Temperature Examination in Hydrology,- 10. Near-Structure Temperature Measurements,- 11. Paleoclimate and Present Climate Warming Trends,- 12. Influence of Temperature Changes to Other Fields,- 13. Integration of Thermal Observations with Other Geophysical Methods. sakriti opis