Did you send a submission to our Write for Your Voices promotion? The event has now closed, and the authors of the best submissions will be asked to write longer pieces for Your Voices. See all the submissions here.

One of the key aims of Principal Voices is for readers around the world the share their thoughts on the major issues of the day. Thousands have already sent in their views using the Take Part pages.

In Your Voices, some of these contributors talk about their lives and beliefs at greater length.

Here are the Your Voices stories so far:

Prinicipal Voices reader Linda M. Vaitkus explains how she learned -- eventually -- to give up her car. Read
Patrick McCormick, a 25-year-old aerospace engineer in the U.S. city of St. Louis, explains how he'd love to live without a car -- but can't. Read
Marc Plante, a 36-year-old worker in the pharmaceutical industry in Massachusetts, U.S., explains how his family try to keep their energy usage as green as possible. Read
Roberta Ward Smiley, 55, explains how she and her husband gave up the dairy cattle business in Costa Rica for something else -- "oxygen farming." Read
Ravinder Paul Singh, a 31-year-old business consultant brought up in India and Kenya, challenges the popular image of Africa as a continent unable to help itself. Read
Kofi Dakwa, a 32-year-old investment banker from Ghana, argues that Africa should stop pleading unfairness and solve its own problems. Read
Corne Theunissen, , a 38-year-old manager for a community fund in a South African mining town explains how the fund's work has transformed the community -- and her own life. Read
Michael Hill, a 69-year-old former insurance executive living in South Africa explains how he gave up a comfortable living to form a company making low-costing housing for the poor. Read