FrontMatter -- Preface -- Acknowledgment of Reviewers -- Contents -- Summary -- 1 The Decadal Survey Vision -- 2 Assessing Progress Toward the Decadal Vision -- 3 Challenges to Implementation of Decadal Survey Priorities -- 4 Opportunities to Improve Alignment with Decadal Survey Priorities -- 5 Looking Ahead: Beyond 2020 -- 6 Conclusions -- Appendixes -- Appendix A: Statement of Task -- Appendix B: Programmatic Decision Strategies and Rules from the Earth Science and Applications from Space 2007 Decadal Survey -- Appendix C: Applications of NASA's Earth Science Program -- Appendix D: NOAA Satellite Programs -- Appendix E: NASA's Responses to the 2007 Decadal Survey and Its April 2011 Status Update -- Appendix F: Committee and Staff Biographical Information -- Appendix G: Acronyms and Abbreviations.