Sustainable urban growth requires many aspects of consideration. It is essential for planners to consider economic, environmental and social aspects.
How do impacts of homelessness effect an area's economic condition?
Here is a reference article regarding carbon credit financing.
https://www.mckinsey.com/capabilities/sustainability/our-insights/a-blueprint-for-scaling-voluntary-carbon-markets-to-meet-the-climate-challenge
This has the potential to be used as a viable financing...