[1] Kukla was a member of the Czechoslovak Academy of Sciences prior to emigrating to the US, and a pioneer in the field of astronomical climate forcing.
[2] Kukla and geologist, Robley Matthews of Brown University, convened a historic conference, themed: "The Present Interglacial: How and When will it End?"
Kukla and Matthews then highlighted the dangers of global cooling in Science magazine and, to President Richard Nixon.
The Nixon administration reacted swiftly to their letter, which described calamities such as killer frosts, lower food production and floods, to come.
Kukla was co-author of a chapter in the book Natural Climate Variability on Decade-to-Century Time Scales published by the National Research Council.