This report discusses some of the environmental considerations of the Airportal Concept. This information in this report is based on the NGATS ATM-Airportal Concept by J. Lee, et al., version 1.0 dated September 28, 2007. This report is intended to provide the Airportal project with an overview of environmental aspects of the Airportal Concept document, and to present possible environmental gaps and overlaps with other JPDO projects. This report begins with a general overview of aviation environmental considerations, including a sub-section on how an individual aircraft operation can impact the environment. The next section discusses environmental elements of Airport surface concepts, which is followed by a section on Airportal terminal concepts. The final section discusses some to gaps and overlaps of Airportal relative to some existing programs. A list of acronyms can be found after the main body of the document. Twoappendices present details of some of the environmental analyses in the body of the document.