Next Generation Environmental Technologies (NGETs) focus on the redesign, at the molecular level, of manufacturing processes and products, with the aim of reducing or eliminating the use of hazardous materials. This report makes known the broader context for the use of NGETs and serves as a resource to systematically assess their benefits. In addition to the main report, an appendix examines 25 existing NGETs that span a range of development, from early research to full use in profitable businesses.