Before revision: The IPY Science Program covered eleven areas: Polar atmosphere, Arctic ocean, Southern Ocean, Greenland ice sheet and Arctic glaciers, Antarctic ice sheets, Sub-glacial aquatic environments, Permafrost, Earth structure and geodynamics at the poles, Polar terrestrial ecology and biodiversity, Polar societies and social processes and Human health.
After revision: The IPY Science Program covered eleven areas: Polar atmosphere, Arctic ocean, Southern Ocean, Greenland ice sheet and Arctic glaciers, Antarctic ice sheets, Subglacial aquatic environments, Permafrost, Earth structure and geodynamics at the poles, Polar terrestrial ecology and biodiversity, Polar societies and social processes and Human health.