More than 100 students, faculty and professional engineers from a seven-state region are expected to gather in Boulder Oct. 5-7 to learn about sustainable engineering practices that can benefit the developing world. The University of Colorado Boulder will host the 2012 Mountain Region Conference for Engineers Without Borders-USA, a nonprofit organization founded by ¶¶Òõ¶ÌÊÓƵ engineering Professor Bernard Amadei 10 years ago after he was asked to engineer a water pump for a village in Belize.