Some cities are lifting zoning restrictions that allow for accessory dwelling units that can be delivered and placed in a yard. (nvbr.com)
Rental options can also be very limited due to age and older zoning restrictions. (effectivecoverage.com)
The shame is that there are many forest fires and most are intentionally set by people; often in an attempt to reverse government zoning restrictions (too complicated to explain here). (dotearth.blogs.nytimes.com)