Noun
climate system (plural climate systems)
The interaction of the Earth's atmosphere, hydrosphere, cryosphere, lithosphere, and biosphere, responsible for the climate.
The role of urban areas within the climate system is yet another human climate effect whose role was minimized in the 2007 IPCC WG1 Report. Roger A. Pielke
The fact is fossil fuel carbon will stay in the surface climate system for millennia. James Hansen