Write a one to one-and-a-half page letter to an official of an organization - local, national or international - which argues for a change in that organization's policy or practice on an issue of great concern to you.

For example, you could write the, the prime minister of Canada, the secretary-general of the United Nations, or the leader of an international corporation, charity or country.

• You must have the real name and correct address of the person to whom you're sending the letter

• It must be a legitimate issue or problem which you describe clearly

• You must argue persuasively for a change in the organization's policy and clearly state the outcome or change that you desire

• Your letter must demonstrate a keen understanding of the art of persuasion using any combination of appeals to reason, emotion and character/ethics.