Here's some info on how it was built: http://developmentseed.org/blog/2010/sep/27/drupal-interface-world-bank-data-api http://developmentseed.org/blog/2010/sep/

Here's some info on how it was built: http://developmentseed.org/blog/2010/sep/27/drupal-interface-world-bank-data-api http://developmentseed.org/blog/2010/sep/27/drupal-interface... along with a Drupal module from the folks that developed it, for accessing and building sites/applications around the data: http://drupal.org/project/wbapi http://drupal.org/project/wbapi.