Imagine Canada has looked at the questions of sustainability for themselves. This blog by Bill Harper provides the framework used by Imagine Canada that can be adopted by your board of directors. Please see: Sustainability Planning: Spending Money to Make Money.
The good news is that there is significant recognition of the importance of the charitable sector in Canada and internationally. For one of many studies exploring the relationship between governments and charities, visit this Mowat Centre publication of April 2017; Charting a Path Forward Strengthening and Enabling the Charitable Sector in Canada.