Cooling the Polar Regions Wilson B. Goddard, Ph.D, Principal Research Engineer and Christine B. Goddard, M.A. Principal Environmental Planner Manager, Goddard and Goddard Engineering - Environmental Studies Abstract: A proposed geoengineering of Cirrus/contrail clouds by commercial aviation during polar flights using a Welsbach material added to their jet fuel to cool the Arctic is outlined. Aluminum oxide is discussed as an inexpensive spectral shifting Welsbach material. The geophysical implication, if nothing is done, is allowing continued Arctic global warming which is moving the northern hemisphere toward unknown adverse weather phenomena adversely affecting societies and agriculture. The proposed polar cooling program can move us back toward the cold geophysical Arctic which we understand and to which we have adapted.