Efficiency Ranking · Environment & Animals

Most Efficient Environment & Animals Charities

247

Organizations

73/100

Avg Score

A-Rated

$15.8B

Total Revenue

#	Organization	State	Score	Revenue	Program %	Grade
1	Best Friends Animal Society Utah	Utah	87	$173.5M	78.0%	A
2	Wildlife Conservation Network Inc California	California	87	$52.5M	78.0%	A
3	The Wild Animal Sanctuary A Colorado Non Profit Corporation Colorado	Colorado	87	$33.9M	78.0%	A
4	Michigan Humane Society Michigan	Michigan	87	$27.8M	78.0%	A
5	Massachusetts Society For The Prevention Of Cruelty To Animals Massachusetts	Massachusetts	86	$120.3M	78.0%	A
6	National Arbor Day Foundation Nebraska	Nebraska	86	$99.1M	78.0%	A
7	The Recycling Partnership Inc District of Columbia	District of Columbia	86	$37.1M	78.0%	A
8	American Society For The Prevention Of Cruelty To Animals New York	New York	85	$379.3M	78.0%	A
9	Paintcare Inc District of Columbia	District of Columbia	85	$78.8M	78.0%	A
10	Multiplier California	California	85	$75.0M	78.0%	A
11	Earth Island Institute Inc California	California	85	$34.9M	78.0%	A
12	African Wildlife Foundation District of Columbia	District of Columbia	85	$33.7M	78.0%	A
13	Marine Stewardship Council Unknown	Unknown	85	$33.6M	78.0%	A
14	Wvc Nevada	Nevada	85	$26.5M	78.0%	A
15	Bonneville Environmental Foundation Oregon	Oregon	85	$22.1M	78.0%	A
16	Trust For Public Land California	California	84	$297.4M	78.0%	A
17	International Sustainable Energy Foundation Texas	Texas	84	$36.9M	78.0%	A
18	Iso New England Inc Massachusetts	Massachusetts	83	$235.6M	78.0%	A
19	San Diego Humane Society And S P C A California	California	83	$67.2M	78.0%	A
20	Partnership Project Inc District of Columbia	District of Columbia	83	$41.1M	78.0%	A
21	California Waterfowl Association California	California	83	$27.0M	78.0%	A
22	Nia Tero Foundation Washington	Washington	83	$26.2M	78.0%	A
23	Neighborhood Recycling Corporation Minnesota	Minnesota	83	$22.7M	78.0%	A
24	Point Reyes Bird Observatory California	California	83	$20.7M	78.0%	A
25	New England Interstate Water Pollution Control Commission Massachusetts	Massachusetts	83	$19.2M	78.0%	A
26	Woodland Park Zoological Society Washington	Washington	82	$64.7M	78.0%	A
27	Fort Worth Zoological Association Inc Texas	Texas	82	$53.1M	78.0%	A
28	Center For Biological Diversity Inc Arizona	Arizona	82	$34.5M	78.0%	A
29	Product Care Association Unknown	Unknown	82	$32.8M	78.0%	A
30	Jane Goodall Institute For Wildlife Research Education & Conservation District of Columbia	District of Columbia	82	$27.4M	78.0%	A
31	Water Environment Federation Virginia	Virginia	82	$26.8M	78.0%	A
32	Clasp District of Columbia	District of Columbia	82	$26.3M	78.0%	A
33	American Humane Association District of Columbia	District of Columbia	82	$25.9M	78.0%	A
34	Earthshare District of Columbia	District of Columbia	82	$8.8M	78.0%	A
35	Windward Fund District of Columbia	District of Columbia	81	$212.4M	78.0%	A
36	Great Lakes Fishery Commission Michigan	Michigan	81	$82.1M	78.0%	A
37	People For The Ethical Treatment Of Animals Inc Virginia	Virginia	81	$69.9M	78.0%	A
38	Petsmart Charities Inc Arizona	Arizona	81	$61.9M	78.0%	A
39	Oceana Inc District of Columbia	District of Columbia	81	$46.5M	78.0%	A
40	North Shore Animal League America Inc New York	New York	81	$45.1M	78.0%	A
41	Florida Aquarium Inc Florida	Florida	81	$40.7M	78.0%	A
42	Defenders Of Wildlife District of Columbia	District of Columbia	81	$35.9M	78.0%	A
43	Elemental Excelerator Inc Hawaii	Hawaii	81	$35.7M	78.0%	A
44	American Forests District of Columbia	District of Columbia	81	$24.3M	78.0%	A
45	Conservation Law Foundation Inc Massachusetts	Massachusetts	81	$16.5M	78.0%	A
46	Energy Trust Of Oregon Inc Oregon	Oregon	80	$222.7M	78.0%	A
47	National Wildlife Federation Virginia	Virginia	80	$117.9M	78.0%	A
48	Urban Land Institute District of Columbia	District of Columbia	80	$95.6M	78.0%	A
49	Social And Environmental Entrepreneurs Inc California	California	80	$87.5M	78.0%	A
50	Alliance To End Plastic Waste Inc Texas	Texas	80	$80.1M	78.0%	A
51	Detroit Zoological Society Michigan	Michigan	80	$54.3M	78.0%	A
52	Ocean Conservancy Inc District of Columbia	District of Columbia	80	$48.6M	78.0%	A
53	International Fund For Animal Welfare Inc Massachusetts	Massachusetts	80	$35.2M	78.0%	A
54	Highlander Research & Education Center Inc Tennessee	Tennessee	80	$23.7M	78.0%	A
55	Western Reserve Land Conservancy Ohio	Ohio	80	$19.2M	78.0%	A
56	Resources Legacy Fund California	California	79	$131.0M	78.0%	B
57	Ceres Inc Massachusetts	Massachusetts	79	$43.5M	78.0%	B
58	Lowry Park Zoological Society Of Tampa Inc Florida	Florida	79	$39.4M	78.0%	B
59	Pennsylvania Horticultural Society Pennsylvania	Pennsylvania	79	$37.8M	78.0%	B
60	Sea Research Foundation Inc Connecticut	Connecticut	79	$32.6M	78.0%	B
61	Dove Lewis Emergency Animal Hospital Inc Oregon	Oregon	79	$29.8M	78.0%	B
62	Florida Veterinary Medicine Faculty Association Inc Florida	Florida	79	$24.9M	78.0%	B
63	Emancipet Texas	Texas	79	$24.9M	78.0%	B
64	American Rivers Inc District of Columbia	District of Columbia	79	$21.8M	78.0%	B
65	Maui Humane Society Inc Hawaii	Hawaii	79	$6.4M	78.0%	B
66	World Wildlife Fund Inc District of Columbia	District of Columbia	78	$372.8M	78.0%	B
67	The Conservation Fund A Nonprofit Corporation Virginia	Virginia	78	$327.4M	78.0%	B
68	Great Hearts America Texas Texas	Texas	78	$110.8M	78.0%	B
69	Elevate Energy Illinois	Illinois	78	$50.9M	78.0%	B
70	Slipstream Group Inc Wisconsin	Wisconsin	78	$45.8M	78.0%	B
71	Grid Alternatives California	California	78	$43.8M	78.0%	B
72	American Conservation Arizona	Arizona	78	$41.0M	78.0%	B
73	American Bird Conservancy Virginia	Virginia	78	$27.9M	78.0%	B
74	Grid Alternatives California	California	78	$23.1M	78.0%	B
75	National Association Of Conservation Districts Inc District of Columbia	District of Columbia	78	$20.0M	78.0%	B
76	Lifeline Animal Project Inc Georgia	Georgia	78	$19.2M	78.0%	B
77	Minnesota Land Trust Minnesota	Minnesota	78	$18.9M	78.0%	B
78	The Humane League Maryland	Maryland	78	$18.5M	78.0%	B
79	Environmental Defense Fund Incorporated New York	New York	77	$247.1M	78.0%	B
80	New England Aquarium Corporation Massachusetts	Massachusetts	77	$65.4M	78.0%	B
81	National Wild Turkey Federation Inc South Carolina	South Carolina	77	$54.1M	78.0%	B
82	Rewild Texas	Texas	77	$53.3M	78.0%	B
83	League Of Conservation Voters Education Fund District of Columbia	District of Columbia	77	$51.5M	78.0%	B
84	Sustainable Markets Foundation New York	New York	77	$39.2M	78.0%	B
85	National Parks Conservation Association District of Columbia	District of Columbia	77	$35.1M	78.0%	B
86	Commonwealth Zoological Corporation Massachusetts	Massachusetts	77	$31.5M	78.0%	B
87	Coastal Conservation Association Texas	Texas	77	$26.5M	78.0%	B
88	Fairmount Park Conservancy Pennsylvania	Pennsylvania	77	$26.1M	78.0%	B
89	Greenpeace Fund Inc District of Columbia	District of Columbia	77	$22.0M	78.0%	B
90	Klamath River Renewal Corporation California	California	76	$104.8M	78.0%	B
91	Sierra Club Foundation California	California	76	$89.1M	78.0%	B
92	Trout Unlimited Inc Virginia	Virginia	76	$62.7M	78.0%	B
93	Stanford Health Care Advantage California	California	76	$50.2M	78.0%	B
94	Clean Air Task Force Inc Massachusetts	Massachusetts	76	$46.3M	78.0%	B
95	National Outdoor Leadership School Wyoming	Wyoming	76	$44.7M	78.0%	B
96	Wilderness Society District of Columbia	District of Columbia	76	$39.2M	78.0%	B
97	Cdp North America Inc New York	New York	76	$38.4M	78.0%	B
98	Center For International Forestry Research Unknown	Unknown	76	$35.9M	78.0%	B
99	Serc Reliability Corporation North Carolina	North Carolina	76	$33.2M	78.0%	B
100	Rare Inc Virginia	Virginia	76	$30.9M	78.0%	B
101	World Wildlife Fund Canada Unknown	Unknown	76	$25.0M	78.0%	B
102	John Ball Zoo Michigan	Michigan	76	$24.2M	78.0%	B
103	Mule Deer Foundation Utah	Utah	76	$1.5M	78.0%	B
104	San Diego Zoo Wildlife Alliance California	California	75	$411.0M	78.0%	B
105	Ducks Unlimited Inc Tennessee	Tennessee	75	$302.2M	78.0%	B
106	Conservation International Foundation Virginia	Virginia	75	$235.1M	78.0%	B
107	Natural Resources Defense Council Inc New York	New York	75	$193.1M	78.0%	B
108	Friends Of The Zoo Inc Of Kansas City Mo Missouri	Missouri	75	$62.5M	78.0%	B
109	Denver Zoological Foundation Inc Colorado	Colorado	75	$61.8M	78.0%	B
110	Aquarium Of The Pacific California	California	75	$57.0M	78.0%	B
111	C40 Cities Climate Leadership Group Inc New York	New York	75	$47.2M	78.0%	B
112	Birdlife International Unknown	Unknown	75	$45.6M	78.0%	B
113	Verra District of Columbia	District of Columbia	75	$29.8M	78.0%	B
114	Climate Imperative Foundation California	California	74	$206.7M	78.0%	B
115	Earthjustice California	California	74	$126.0M	78.0%	B
116	Vermont Energy Investment Corp Vermont	Vermont	74	$123.1M	78.0%	B
117	National Aquarium Inc Maryland	Maryland	74	$55.6M	78.0%	B
118	Arizona Center For Nature Conservation Arizona	Arizona	74	$46.7M	78.0%	B
119	International Centre For Research In Agroforestry Unknown	Unknown	74	$44.4M	78.0%	B
120	U S Green Building Council Inc District of Columbia	District of Columbia	74	$41.2M	78.0%	B
121	Montana Land Reliance Montana	Montana	74	$37.9M	78.0%	B
122	Center For Energy And Environment Minnesota	Minnesota	74	$24.5M	78.0%	B
123	National Marine Sanctuary Foundation Maryland	Maryland	74	$21.6M	78.0%	B
124	Center For Sustainable Energy California	California	73	$502.9M	78.0%	B
125	National Fish And Wildlife Foundation District of Columbia	District of Columbia	73	$415.5M	78.0%	B
126	Marshall Area Economic Development Alliance Michigan	Michigan	73	$151.6M	78.0%	B
127	Open Space Institute Land Trust Inc New York	New York	73	$74.8M	78.0%	B
128	Massachusetts Audubon Society Inc Massachusetts	Massachusetts	73	$73.7M	78.0%	B
129	Atlanta Botanical Garden Inc Georgia	Georgia	73	$65.3M	78.0%	B
130	The Barn Group Land Trust Inc Georgia	Georgia	73	$60.9M	78.0%	B
131	Sustainable Energy Utility Inc Delaware	Delaware	73	$45.0M	78.0%	B
132	Great Basin Institute Nevada	Nevada	73	$44.2M	78.0%	B
133	Global Greengrants Fund Inc Colorado	Colorado	73	$42.6M	78.0%	B
134	Audubon Nature Institute Inc Louisiana	Louisiana	73	$42.1M	78.0%	B
135	Sunrise Project Inc Delaware	Delaware	73	$33.3M	78.0%	B
136	Colorado Open Lands Colorado	Colorado	73	$33.1M	78.0%	B
137	Zoological Society Of Pittsburgh Pennsylvania	Pennsylvania	73	$27.6M	78.0%	B
138	Rivian Foundation California	California	73	$25.0M	78.0%	B
139	San Francisco Zoological Society California	California	73	$22.5M	78.0%	B
140	Peninsula Humane Society & Spca California	California	73	$19.8M	78.0%	B
141	Sonoma Land Trust California	California	73	$16.5M	78.0%	B
142	Texas Agricultural Land Trust Texas	Texas	73	$12.1M	78.0%	B
143	New Venture Fund District of Columbia	District of Columbia	72	$669.1M	78.0%	B
144	Golden Gate National Parks Conservancy California	California	72	$52.9M	78.0%	B
145	Mattress Recycling Council Virginia	Virginia	72	$42.2M	78.0%	B
146	Jacksonville Zoological Society Inc Florida	Florida	72	$37.3M	78.0%	B
147	East Coast Zoological Society Of Florida Inc Florida	Florida	72	$29.3M	78.0%	B
148	River Partners California	California	72	$28.1M	78.0%	B
149	Rocky Mountain Elk Foundation Inc Montana	Montana	71	$66.0M	78.0%	B
150	Denver Botanic Garden Inc Colorado	Colorado	71	$46.0M	78.0%	B
151	Northwest Energy Efficiency Alliance Inc Oregon	Oregon	71	$35.5M	78.0%	B
152	Council On The Environment Inc New York	New York	71	$30.3M	78.0%	B
153	Oregon Humane Society Oregon	Oregon	71	$28.9M	78.0%	B
154	Humane World For Animals Inc Maryland	Maryland	70	$175.0M	78.0%	B
155	Karuna Foundation Colorado	Colorado	70	$34.5M	78.0%	B
156	Humane World For Animals International District of Columbia	District of Columbia	70	$29.0M	78.0%	B
157	Denver Dumb Friends League Colorado	Colorado	70	$25.2M	78.0%	B
158	Great Barrier Reef Foundation Usa Inc District of Columbia	District of Columbia	70	$1.5M	78.0%	B
159	Wildlife Conservation Society New York	New York	69	$345.5M	78.0%	B
160	The Animal Medical Center New York	New York	69	$91.9M	78.0%	B
161	San Antonio Zoological Society Inc Texas	Texas	69	$63.8M	78.0%	B
162	San Francisco Society For The Prevention Of Cruelty To Animals California	California	69	$46.0M	78.0%	B
163	Arizona Humane Society Arizona	Arizona	69	$40.9M	78.0%	B
164	National Audubon Society Inc New York	New York	68	$156.1M	78.0%	B
165	Georgia Aquarium Inc Georgia	Georgia	68	$154.0M	78.0%	B
166	New York Botanical Garden New York	New York	68	$87.2M	78.0%	B
167	Chicago Horticultural Society Illinois	Illinois	68	$76.9M	78.0%	B
168	Omaha Zoological Society Inc Nebraska	Nebraska	68	$70.8M	78.0%	B
169	Governors Island Corporation New York	New York	68	$65.2M	78.0%	B
170	The Saint Louis Zoo Foundation Missouri	Missouri	68	$63.3M	78.0%	B
171	Seattle Aquarium Society Seas Washington	Washington	68	$53.3M	78.0%	B
172	Toledo Zoological Society Ohio	Ohio	68	$47.5M	78.0%	B
173	Atlanta Fulton County Zoo Inc Georgia	Georgia	68	$46.5M	78.0%	B
174	Buffalo Bayou Partnership Texas	Texas	68	$42.6M	78.0%	B
175	Palladium Foundation Utah	Utah	68	$41.1M	78.0%	B
176	Fresnos Chaffee Zoo Corporation California	California	68	$40.4M	78.0%	B
177	Save The Redwoods League California	California	68	$38.8M	78.0%	B
178	Cheyenne Mountain Zoological Society Colorado	Colorado	68	$32.5M	78.0%	B
179	Paws Chicago Illinois	Illinois	68	$32.4M	78.0%	B
180	Catskill Watershed Corporation New York	New York	68	$31.9M	78.0%	B
181	Omaha Zoo Foundation Nebraska	Nebraska	68	$31.9M	78.0%	B
182	Humane Society Of Missouri Missouri	Missouri	68	$30.8M	78.0%	B
183	The Living Desert California	California	68	$30.6M	78.0%	B
184	West Michigan Horticultural Society Inc Michigan	Michigan	68	$30.1M	78.0%	B
185	Animal Care And Control Of New York City Inc New York	New York	68	$29.3M	78.0%	B
186	Dallas Arboretum & Botanical Texas	Texas	68	$27.8M	78.0%	B
187	Memphis Zoo Inc Tennessee	Tennessee	68	$25.9M	78.0%	B
188	American Prairie Foundation Montana	Montana	68	$25.0M	78.0%	B
189	Akron Zoological Park Ohio	Ohio	68	$23.9M	78.0%	B
190	Montgomery County Green Bank Corp Maryland	Maryland	68	$20.8M	78.0%	B
191	Fish & Wildlife Foundation Of Florida Inc Florida	Florida	68	$19.4M	78.0%	B
192	Triangle Land Conservancy Inc North Carolina	North Carolina	68	$18.2M	78.0%	B
193	Naples Botanical Garden Inc Florida	Florida	68	$17.2M	78.0%	B
194	Carbon Mapper Inc California	California	68	$17.0M	78.0%	B
195	Western Rivers Conservancy Oregon	Oregon	68	$16.8M	78.0%	B
196	Ocean Habitat And Wildlife Rescue Inc Florida	Florida	68	$13.2M	78.0%	B
197	Virginia B Jontes Foundation Arizona	Arizona	68	$5.0M	78.0%	B
198	New England Wildlife Center Massachusetts	Massachusetts	68	$3.2M	78.0%	B
199	Ahimsa Foundation Colorado	Colorado	67	$55.1M	78.0%	B
200	Zoological Society Of Philadelphia Pennsylvania	Pennsylvania	67	$43.4M	78.0%	B
201	Tennessee Aquarium Tennessee	Tennessee	67	$31.5M	78.0%	B
202	Climate Lead Inc California	California	67	$31.0M	78.0%	B
203	Conservation Society Of California California	California	66	$30.9M	78.0%	B
204	Yellowstone Forever Montana	Montana	66	$21.3M	78.0%	B
205	Dallas Zoo Management Inc Texas	Texas	65	$32.4M	78.0%	B
206	The Maryland Zoological Society Inc Maryland	Maryland	65	$21.6M	78.0%	B
207	Consortium For Energy Environment And Demilitarization District of Columbia	District of Columbia	64	$63.0M	78.0%	C
208	Desert Botanical Garden Arizona	Arizona	64	$26.7M	78.0%	C
209	Monterey Bay Aquarium Foundation California	California	63	$155.9M	78.0%	C
210	Zoological Society Of Cincinnati Ohio	Ohio	63	$119.6M	78.0%	C
211	Chicago Zoological Society Illinois	Illinois	63	$94.3M	78.0%	C
212	Shedd Aquarium Society Illinois	Illinois	63	$93.0M	78.0%	C
213	Columbus Zoological Park Association Ohio	Ohio	63	$87.3M	78.0%	C
214	Houston Zoo Inc Texas	Texas	63	$82.5M	78.0%	C
215	Missouri Botanical Garden Board Of Trustees Missouri	Missouri	63	$55.5M	78.0%	C
216	Trustees Of Reservations Massachusetts	Massachusetts	63	$50.5M	78.0%	C
217	Indianapolis Zoological Society Inc Indiana	Indiana	63	$50.1M	78.0%	C
218	Lincoln Park Zoological Society Illinois	Illinois	63	$48.4M	78.0%	C
219	Napa County Land Trust California	California	63	$48.1M	78.0%	C
220	Nashville Zoo Inc Tennessee	Tennessee	63	$47.4M	78.0%	C
221	Appalachian Mountain Club Massachusetts	Massachusetts	63	$46.0M	78.0%	C
222	Morton Arboretum Illinois	Illinois	63	$45.1M	78.0%	C
223	Volgenau Foundation Virginia	Virginia	63	$40.6M	78.0%	C
224	Climate And Clean Energy Equity Fund District of Columbia	District of Columbia	63	$39.1M	78.0%	C
225	Western Pennsylvania Conservancy Pennsylvania	Pennsylvania	63	$34.5M	78.0%	C
226	Chesapeake Bay Foundation Inc Maryland	Maryland	63	$32.2M	78.0%	C
227	Brooklyn Botanic Garden Corporation New York	New York	63	$30.5M	78.0%	C
228	Iowa Natural Heritage Foundation Iowa	Iowa	63	$29.8M	78.0%	C
229	Peninsula Open Space Trust California	California	63	$24.8M	78.0%	C
230	Greenacres Foundation Ohio	Ohio	63	$22.3M	78.0%	C
231	Coastal Maine Botanical Gardens Inc Maine	Maine	63	$19.4M	78.0%	C
232	Peconic Land Trust Incorporated New York	New York	63	$17.4M	78.0%	C
233	Grand Traverse Regional Land Conservancy Michigan	Michigan	63	$14.5M	78.0%	C
234	National Tropical Botanical Garden Hawaii	Hawaii	63	$12.9M	78.0%	C
235	Wildlands Conservancy California	California	63	$12.2M	78.0%	C
236	Southern Appalachian Highlands Conservancy North Carolina	North Carolina	63	$11.0M	78.0%	C
237	Shelburne Farms Vermont	Vermont	63	$10.0M	78.0%	C
238	Mds Famly Foundation Inc Florida	Florida	63	$10.0M	78.0%	C
239	Allied Climate Partners Inc New York	New York	63	$7.8M	78.0%	C
240	Climate Arc Inc Delaware	Delaware	63	$2.6M	78.0%	C
241	Fondo Mexicano Para La Conservacion De La Naturaleza Ac Unknown	Unknown	63	$2.1M	78.0%	C
242	Ducks Unlimited Inc Tennessee	Tennessee	62	$59.3M	78.0%	C
243	Thanksgiving Point Institute Inc Utah	Utah	62	$40.0M	78.0%	C
244	Johnny Morris Ozarks Heritage Preserve Missouri	Missouri	58	$25.7M	78.0%	C
245	Forest Park Forever Inc Missouri	Missouri	58	$22.5M	78.0%	C
246	Redwood Forest Foundation Inc California	California	58	$8.6M	78.0%	C
247	Christensen Fund California	California	58	$6.7M	78.0%	C

Frequently Asked Questions

The most efficient environment & animals charities are ranked above by Efficiency Score. Best Friends Animal Society leads with a score of 87/100. The category average is 73/100.

The environment & animals sector has 247 tracked organizations with an average Efficiency Score of 73/100 and 55 A-rated charities.