Charitable Fdn. Charles Hayden Foundation Heising-Simons Foundation International Hydrographic Organization

Anonymous (1) Chicago Community Trust Rob E. Craigie and Stephanie K. Comer Fujen International Education Global Climate Change Foundation Frank J. and Joanne M. Gumper* Ellen M. Herron W. M. Keck Foundation Quentin J. Kennedy Foundation Quentin J. Kennedy Florentin J-M. R. Maurrasse New York University Orange and Rockland Utilities Inc. Potsdam Institute for Climate

Impact Research

Princess Cruise Lines, Ltd. Constance A. Sancetta The Eric and Wendy Schmidt Fund University of Southern California Verizon Foundation Volkswagenwerk Stiftung

Michael Guenther Kaiser Stanley B. and Isabelle Jouanneau Fertig Fidelity Charitable Gift Fund Andre Henrique Moscal Fiorotto Geological Society of America Bill P. Glass Lorellen Marie Green John Kendrick Hall Eric Harris Holly Hodder* Baerbel Hoenisch Lawrence L. and Mary Ann Hope J.P. Morgan Chase Foundation Stanley S. Jacobs Robert W. Kay and Suzanne Mahlburg Kay Emily Klein Nadine Kolowrat Richard J. Kuczkowski and Jean Mia Leo William H. and Patricia F. Larrabee Arthur O. Lee France-Helene and Roy M. Mira Christopher W. Morgan and

Rebecca L. Logan Gregory S. and Carol S. Mountain Cary L. and Dianna Mrozowski Catherine Mulder Stephen A. Myers Virginia McConn Oversby* Bob Alan and Marna Schrader Page Jr. Panter Foundation Jonathan Gideon Panter Chuan Ping Maureen E. Raymo James H. and Virginia E. Robertson William B. F. and Judith Lingle Ryan Schwab Charitable Fund Theresa Siracusano Qian Song and Yinghua Pang Edward S. Sproles Jr. Scott Stine Yongjun Su and Xiong Wen John Robert Toggweiler Vanguard Charitable Fund Thomas V. Wagner James and Frances R. Wood Jishu Deng and Yuan Yuan

Shari Corinne Hyman Joseph P. D. Hull Jr. Lynn J. Jehle George W. Kipphut Leo F. Laporte Anyi Li Shuyu Liu and Hongyan Wang Tianjia Liu Michael J. and Kate S. Lombardi Lawrence R. Lynn and Wendy Epstein-Lynn Virginia Marie Maher Lisa Meyer Kenneth A. Moss Carmen Neal Mary F. Pickering Ran Qin Michael and Martine Dreyfus Rawson Carol Anne Raymond Debashish Hemant Sanyal Marc L. Sbar Glenn J. and Joanna Talarico-Smith Manik Talwani Raleigh and Catherine A. Tozer Howard Worzel

Michael Baron Anne Elizabeth Barschall Jeremy M. Barth Ronne Bassman-Agins Daniel Bauer Matthew C. Baum Anne Becel Sherry E. Beckman Ruth Beckman Cassy Beekman Dan and Katie Day Benvenuto Eric Berger Richard L. Berger Ellen and Stuart A. Berman Werner and Christa Bischoff Edward C. and Eleanor Bloom Elizabeth M. Braden Deborah E. Brown Hannes and Mary Ann Brueckner Peter R. Buseck Guiomar Calvo Philip D. and Brigitte Carmichael Ryan Carmichael Steven Norris Chillrud Ernest W. Chung and Mary Lee Thomas Alan and Mary Anne Ciccarone Jonathan Evan and Cynthia Leigh Cohen Daniel Magee Cohen Robert Cohn Eric Conroy Robert B. Cook Matthew and Stephanie Cook David W. Cooke Deborah Coplin Patricia A. Daly, OP Laura de Sherbinin Olivier Dung Do Ngoc Eyal Dror Wenxuan Du Emilie Dufour Stephen L. and Carole Ann Eittreim

Michael Elovitz Patrick and Lynn A. English Craig C. Evans Michael Neil Evans Emma Christina Farmer Fidelity Charitable Gift Fund Arlene Fiore Michael F. Forlenza David Kristen Funkhouser Naira Gagoulachvili James B. Gaherty and Donna Jean Shillington Edward A. Garvey Bill & Melinda Gates Foundation John Geddie Jennifer Genrich Alice H. Gerard Penny Gibson Aileen P. Goldberg Glenn and Elizabeth Goldman Hal and Susie Agoston Goldstein Steven L. Goldstein and Kerstin A. Lehnert Dorota Gonera Andrew M. Goodwillie Vivien M. Gornitz Jan Gould and Michele Lewis Noah J. Green Paul J. and Muriel S. Grim Thomas J. Guglielmo John Patrick Halpin Timothy B. Harwood Charles L. Hawkins James D. and Nancy Hays Sidney R. Hemming Augustine Henneh Sean Michael Higgins Jim E. Hillgardener William Hodash and Lisa Argento Lofton Phillip and Ruby Holder Jr. Susan M. Holgate and Robert S. Barron George Holober Jean Carleton Housepian Mei Hunkins Harriet Joyce Hyams Brook Sharon Griffin Jackson Robert D. Jacobi Hogyeum Joo Anne D. Joseph Andrew Robert Juhl Stephen P. Kaluzny Michael Kaplan M. Whitney Keen Peter B. Kelemen Pamela Kelley Leslie Kelly Dimitra Kessenides Linda Klempner Carolyn Kopp Christopher Langdon Margaret Lange-Freud Ernest W. Chung and Mary Lee Susan D. Lee Daniel and Lynn Lehrfeld Rita Lennard David Lerer Amy Leung Bruce M. Levine and Ann Nordon Jan Gould and Michele Lewis Stephen Dana Lewis Jo Chiu-Fang Lin Tzen-Ying Jenny Ling LinkedIn Corporation James D. Lowell Barbara L. Lukosi Susanna E. Maiztegui and John C. Lee Marvin H. Malater MaryAnn Love Malinconico Janet J. and Charles A. Mangano Stephen and Kathryn G. Marshak Audrey A. Massa Maria Matasar-Padilla and

Matthew Jason Matasar Farhana Mather Charles C. and Martha R. Matteo Shawn Mayr Christine M. McCarthy Cecilia M. G. McHugh Louise McMath Stephen Russell McNutt Nicholas Charles Mehmel James S. and Dorothy A. Mellett Marian V. Mellin Regina M. Mendez Sara N. Menegus Alyssa Nicole Meyers Irving R. and Harriet E. Michlin Alison Catherine Miller George and Sylvia R. Miller Ross Mitchell Katherine Mitchell Linda L. Moeller Martin W. and Jacqueline C. Molloy Christina Napier Monnen Morgan Stanley Randall and Sandra Carr Motland Victoria G. Nazario Leslie Nina Elizabeth O'Brien Suzanne Bridget O'Connell and

Thomas A. Christopher Laura Oliver Marjorie W. Opdyke Peter and Susi Orbanowski Martin Lars Ake Oredsson Jennifer OShea Leon Russell Paley Frank C. and Eleanor Pao Tuula Pasola-Alberino Michael J. and Nancy Reinish Passow Amelia Nell Paukert Dori Paulino Michael R. and Renee Perfit Stephen G. Peterson David and Agnes M. Peterson Sandra Power Mary Frances F. Prokorym Julianne Quinn Richard C. and Denise Packer Quittmeyer Phyllis C. Rabinowitz Emma Clare Rainforth Stephen L. and Diane S. Richter

Michael R. Rodman and Lorraine Banyra Ricardo A. Rodriguez and Sarah Shannon Megan Romesberg Howard Ruda William F. and Virginia C. Ruddiman Andrew Russakoff Gray Russell Raymond Ruth Richard A.and Kay H. Ryder Christine Irene Sacks Ann Louie Lomboy Salamante Rita T. Salemo Dennis Santella Ronald G. and Phyllis D. Schmidt Daniel J. Schnaidt and Cynthia Tucker Roger E. Schwed and Laura F. Dukess Guenther Seidel Robert Mehmel and

Patrice M. Serret-Mehmel Ashley Sheed Angela Leigh Slagle Jason E. Smerdon Gabriella Marie Smith Gavin C. Smith and Patricia Hausknecht Bill Worzel and Leslie Sobel Jennifer Maria Sobolewski Dongping Song Todd Moreland Spitz Stanley W. Stillman Helen Stoddard Russell Rye Stoll Oscar Strongin Ajit Subramaniam Ronald H. Sugarman James Sutherland Raphael J. Szechtman June Tallon Ronald G. Schmidt Shuwen Tan Ingrid Tamm Thendara Mountain Club Inc. Daniel Lloyd Timmons Sherry L. Truss Patty Tsai Kevin T. Uno Pamela Van Hoven Clark Stacey Lynn Vassallo Valerie Vivian W2 Investments Group Limited Eric Anthony Walters John F. and Paula Lawrence Wehmiller William M. Wilcox Wildbear Oceania Pty Ltd Stephen Wilkowski Matthew K. Williams Wenchang Yang Timur T. Yildiz Youxue Zhang Gary W. Zielinski

+ Deceased