Here is an account of several International Day Against Stoning events: Worldwide Protests in Support of Sakine Mohammadi Ashtiani and Against Stoning and Execution.
Mission Free Iran has made an entirely reasonable request to the United Nations: Stoning, Rape and Execution of Women is Bad Gender Policy; It is Time to Remove the Islamic Republic from the UN Commission on the Status of Women
Op-ed piece by Irwin Cotler, published in the Vancouver Sun: Iran is more than just a nuclear threat. Cotler is a former minister of justice and attorney-general of Canada. He makes a very strong case for an end to enabling the behavior of the Ahmadinejad regime.
Pakistan (allies of the U.S. and Canada in the war in Afghanistan) has sentenced a man and woman to death by stoning for adultery. Here's a story by Saeed Shah in The Guardian: Pakistani couple face death by stoning threat after conviction for adultery.