The Greenbelt protects a…

The Greenbelt protects a wide variety of wildlife and wetlands, and to build over top of that would be bad. There are thousands of empty houses and office buildings that can be repurposed to low-income housing, I don't see why this proposal would be beneficial. And will the buildings built here even be affordable? How will this help with the housing crisis when there are already empty homes going unused due to non-affordability.