A draft of Louisville’s comprehensive sustainability plan is finished.Louisville Director of Sustainability Maria Koetter was placed in charge of the plan when she began her job in January. The draft hasn’t been released to the media or public yet, but it’s been submitted to Mayor Greg Fischer for his review.Mayor’s spokesman Chris Poynter says the final plan will include measures big and small the city can undertake to improve sustainability.“We’ve been working with folks internally in Metro Government and externally to determine ‘how do we make our city greener?’ and that includes all types of components, from things that government can do to businesses,” he said.Poynter says the final plan will probably be released sometime in January.