"I'm getting a bit concerned about the length of time we are staying in zero research. I understand that waiting for a Library benefits us, but it is getting to be a rather long interval. Especially as we are preparing for war. I'm hoping an AI will research PP so that we can trade for it before we need it for Scientific Method. Then it becomes a non-issue." If you're hoping to trade for PP and don't want to continue at 0% research, what other tech would you suggest we go for at 100%? Leaving home 'til late tonight, but hope to respond to additional input and post final details of plan before retiring this evening. There are many permutations of worker moves to get forest chopped, some getting the forest removed as early as 4 turns from now (by delaying other improvements and employing maximum workers ). SCT, can you tell me the turn number (not number of turns) the forest N of Bombay needs to disappear in order to minimize the risk it will be enveloped by Bombay's culture before chop is complete?