| 1 (2) | United States Department of Agriculture | USA |  |
| 2 (23) | University of Florida * | USA |  |
| 3 (28) | National Aeronautics and Space Administration * | USA | |
| 4 (30) | Stanford University * | USA | |
| 5 (39) | Michigan State University | USA | |
| 6 (44) | University of California, Berkeley * | USA | |
| 7 (48) | Oregon State University | USA | |
| 8 (52) | Cornell University * | USA | |
| 9 (55) | Jet Propulsion Laboratory | USA | |
| 10 (61) | California Institute of Technology * | USA | |
| 11 (67) | Harvard University * | USA | |
| 12 (74) | Colorado State University, Fort Collins * | USA | |
| 13 (75) | North Carolina State University | USA | |
| 14 (78) | University of Illinois at Urbana-Champaign * | USA | |
| 15 (79) | University of California, Davis * | USA | |
| 16 (83) | United States Geological Survey | USA | |
| 17 (97) | City University of New York * | USA | |
| 18 (98) | University of Wisconsin, Madison * | USA | |
| 19 (106) | Lawrence Berkeley National Laboratory * | USA | |
| 20 (108) | University of Nebraska, Lincoln | USA | |
| 21 (114) | National Center for Atmospheric Research | USA | |
| 22 (116) | University of Washington * | USA | |
| 23 (133) | University of Idaho | USA | |
| 24 (139) | Ohio State University, Columbus * | USA | |
| 25 (141) | Northern Arizona University | USA | |
| 26 (142) | Pennsylvania State University * | USA | |
| 27 (149) | University of California, Los Angeles * | USA | |
| 28 (152) | University of Colorado, Boulder * | USA | |
| 29 (153) | South Dakota State University | USA | |
| 30 (155) | University of California, Irvine * | USA | |
| 31 (158) | Purdue University | USA | |
| 32 (160) | University of Georgia | USA | |
| 33 (162) | Columbia University * | USA | |
| 34 (171) | Washington State University, Pullman * | USA | |
| 35 (177) | Arizona State University * | USA | |
| 36 (179) | Indiana University-Bloomington | USA | |
| 37 (181) | Kansas State University | USA | |
| 38 (185) | Boston University * | USA | |
| 39 (187) | Oak Ridge National Laboratory | USA | |
| 40 (188) | University of Michigan, Ann Arbor * | USA | |
| 41 (192) | Texas A&M University, College Station * | USA | |
| 42 (201) | University of Arizona * | USA | |
| 43 (202) | Iowa State University | USA | |
| 44 (204) | Duke University * | USA | |
| 45 (206) | University of Utah * | USA | |
| 46 (207) | University of Kentucky * | USA | |
| 47 (208) | US Environmental Protection Agency | USA | |
| 48 (209) | University of Missouri, Columbia * | USA | |
| 49 (217) | University of Texas, Austin | USA | |
| 50 (223) | University of Delaware | USA | |
| 51 (236) | University of Minnesota, Twin Cities * | USA | |
| 52 (242) | Virginia Polytechnic Institute and State University | USA | |
| 53 (245) | Yale University * | USA | |
| 54 (252) | University of North Carolina, Chapel Hill * | USA | |
| 55 (253) | Utah State University * | USA | |
| 56 (273) | University of Connecticut, Storrs * | USA | |
| 57 (288) | State University of New York, College of Environmental Science and Forestry | USA | |
| 58 (292) | University of Vermont | USA | |
| 59 (296) | Louisiana State University, Baton Rouge | USA | |
| 60 (303) | Pacific Northwest National Laboratory | USA | |
| 61 (315) | Princeton University | USA | |
| 62 (316) | University of Montana, Missoula | USA | |
| 63 (319) | University of Virginia * | USA | |
| 64 (338) | University of New Hampshire | USA | |
| 65 (344) | University of Maine, Orono | USA | |
| 66 (365) | University of California, Santa Barbara | USA | |
| 67 (366) | University of Massachusetts, Amherst | USA | |
| 68 (368) | Michigan Technological University | USA | |
| 69 (389) | University of Tennessee, Knoxville * | USA | |
| 70 (393) | Florida State University * | USA | |
| 71 (396) | Rutgers, The State University of New Jersey | USA | |
| 72 (405) | North Dakota State University | USA | |
| 73 (412) | University of Oregon | USA | |
| 74 (416) | University of New Mexico * | USA | |
| 75 (429) | Auburn University | USA | |
| 76 (431) | West Virginia University * | USA | |
| 77 (432) | Florida International University | USA | |
| 78 (449) | University of Alabama, Tuscaloosa | USA | |
| 79 (452) | University of Wisconsin, Stevens Point | USA | |
| 80 (463) | University of Maryland, Baltimore | USA | |
| 81 (464) | Mississippi State University | USA | |
| 82 (468) | Clemson University | USA | |
| 83 (470) | University of Minnesota, Duluth | USA | |
| 84 (473) | Humboldt State University | USA | |
| 85 (477) | University of Maryland, College Park * | USA | |
| 86 (493) | Montana State University, Bozeman | USA | |
| 87 (508) | University of Hawaii, Manoa * | USA | |
| 88 (528) | Oklahoma State University, Stillwater * | USA | |
| 89 (547) | University of Alaska, Fairbanks | USA | |
| 90 (557) | Ormat Technologies, United States | USA |  |
| 91 (569) | San Diego State University | USA | |
| 92 (598) | University of Wyoming | USA | |
| 93 (611) | Louisiana State University Agricultural Center | USA |  |
| 94 (650) | University of Arkansas, Fayetteville | USA | |
|
