FrontMatter -- Preface -- Acknowledgments -- Contents -- Summary -- 1 Introduction -- 2 Major Advances in the Atmospheric Sciences -- 3 The Changing Context for Atmospheric Science -- 4 Modes of Support and Key Activities -- 5 Collaborations Essential to the Atmospheric Sciences -- 6 Findings and Recommendations -- References -- APPENDIXES -- A Statement of Task -- B Biographical Sketches of Committee Members and Staff -- C Individuals Who Provided Input to the Committee -- D Acronyms.