There are reports of various initiatives and campaigns involving changemakers, with some outlets mentioning specific programs or partnerships, such as the "Atlanta Changemakers" campaign and a partnership between Co-op and UK Youth. The scale of these efforts is unclear, with one outlet referencing "millions of members" and another mentioning "two million people", but the context and connection between these numbers is not specified. Overall, it appears that different organizations and groups are working to promote community action and give young people a voice through social initiatives.