Make Bot here bringing in answers to some of your FAQs 
How can I find out the total number of active scenarios in my organization, also considering organizations where I’m an admin?
You can find the total number of active scenarios for an organization by going into its Scenarios tab. In this case, you can see that this organisation has 3 active scenarios:
You can only see active scenarios on a per-organization basis, so there isn’t a way to see all active scenarios across all your organizations. The way to see them should, however, be the same for orgs that you own or in which you’re an admin.