The "Appeal for a United States of the World" was presented and shared in various cities around the world starting on 14 April 2021 and signed by over 2 million people. On 22 April 2021, World Earth Day, it was presented to the assembled Heads of State and Government by President Biden.
The text reads: "We need the commitment of Governments and civil society bodies to promote a 'Coalition of Shared Values and Interests', which is indispensable after the pandemic to avoid an environmental catastrophe, to save creation, to share knowledge and to avoid wars and conflicts".