As the interconnected wars in Africa, the Middle East and Ukraine are threatening the lives of millions and could even lead to the use of weapons of mass destruction, thus endangering the survival of human civilization, there is an urgent need for action. None of us can stop these wars alone, however, all of us together as citizens of Earth have the power to stop them. The enclosed appeal follows the spirit of the Russell-Einstein Manifesto from 1955. It appeals to all citizens of Earth to stop all aggressions and assure peace immediately.