MVeP's Phase 1 Report introduces a new environmental assessment for marine vessels. Existing environmental efforts are summarized, and the need is verified for a standardized, voluntary, performance based, and market driven assessment that addresses the ship's total footprint. MVeP's Phase 1 checklist of 34 environmental impacts is presented. Guidance to assess and achieve environmental performance on 4 standard performance levels is given in the Performance Assessment Guide to be written for each impact. Phase 1 produced 3 draft Guides and a Guide template. This document was originally released November, 2009.