I'd really like to see this problem addressed, but filing a ticket with a save game seems less than helpful as the problem is intermittent at best. How should we go about this?
This bug has been reported in these threads:
https://forums.galciv3.com/465873/page/1/#3557297
https://steamcommunity.com/app/226860/discussions/4/620713633862477128/
https://forums.galciv3.com/460182/page/1/
https://forums.galciv3.com/466199/page/1/#3601798
https://forums.galciv3.com/466800/page/1/
https://www.reddit.com/r/GalCiv3/comments/37qlfx/galactic_civilizations_iii_memory_leak/
https://forums.galciv3.com/469386/page/1/#3576557
https://forums.galciv3.com/465405/page/1/