Technology has always introduced changes in the way researchers administer surveys. A new technology known as virtual worlds has now emerged that promises to change data collection once again. Virtual worlds are persistent, online, computer-rendered spaces populated by hundreds, thousands, or...

Environmental employment is an issue with high interest to the public and to policy makers. Yet, the debate is blurred by a great number of distinct definitions and hence estimates of environmental employment. Therefore it is essential to carefully document delimitations and methods used in any...