TO INSPIRE, THROUGH SCIENCE AND EDUCATION, A PASSION FOR NATURE, THE PROTECTION OF NATURAL DIVERSITY, THE FOSTERING OF HEALTH, AND LEADERSHIP TO A SUSTAINABLE FUTURE.
| Year | Revenue | Expenses | Net Assets |
|---|---|---|---|
| 2022 Form 990 | $21,365,554 ↓ | $19,685,025 | $297,501,985 |
| 2021 Form 990 | $27,614,727 ↑ | $17,521,581 | $284,547,895 |
| 2020 Form 990 | $26,629,789 ↑ | $16,506,215 | $309,518,312 |
| 2019 Form 990 | $17,996,353 ↑ | $18,700,024 | $247,212,650 |
| 2018 Form 990 | $17,871,954 ↓ | $18,786,976 | $247,574,677 |
| 2017 Form 990 | $28,843,189 | $25,447,382 | $242,979,758 |
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