@khanacademy I am avid reader on khan academy. Team is it possible to make tutorials on following topics: 1) water management(from where water comes and goes back)
2) sustainable infra development (starting with barren lands, what all is required to be part of as a rightful city.
These are great suggestions! We have a content request forum that you can submit your idea to: https://khanacademy.zendesk.com/hc/en-us/community/topics/200852348-Content-Requests-and-Feedback …