caveman 2 cosmos modpack recreation

City Screen -- mousing over education entry -- shows "decay" as the cause / source of the noe negative education modifier. Example: Education (the books icon) " 2371 / -6" Losing 6 education points each turn. Because of "decay." What can I do to address this situation? How do I fix...

I was wondering if any of you are planning to do any total conversion modpacks or maybe something like Caveman 2 Cosmos made for civ 4? I want to see this happen and would love to take part in the creation. Of course we have to wait on the SDK tools, tweaks to modding but it appears to me that...