This course is part of the international master's degree program Climate, Earth, Water, Sustainability (CLEWS). The module provides an understanding of environmental processes and driving forces of the climate system through earth history and deals with the following aspects: geological approaches, climate archives, palaeoecological approaches, proxy records, modelling approaches, icehouse stages and greenhouse stages in earth history, climate variability at long to short time scales, abrupt climate changes, role of the global carbon cycle through time, biospheric-geospheric interactions. The module comprises a lecture series, a seminar with poster presentations by the students, and geological field exercises.