The World Bank’s 2009 essay competition  (for people between the ages of 18 and 25) is open for submissions until February 22nd. The topic is climate change. Prizes of US$ 3,000, 2,000 and 1,000 up for grabs.
A good opportunity to put into practice the advice at the excellent From Poverty to Power blog: Why is development writing so turgid? 
- Advances in Development Economics