One Big Sustainable Island

Analysis

One Big Sustainable Island is a registered charity in United States, based in Monmouth, ME. It received its IRS tax-exemption ruling in December 2015, 11 years ago. Its declared purposes cover environment, which this site groups under environment and conservation. The IRS classifies it as a publicly supported organisation (donations from the general public) under section 501(c)(3), and contributions to it are listed as tax-deductible.

In the financial year ending December 2023, One Big Sustainable Island reported income of $145k and spending of $134k, spending 92% of its income. Across the 2 years on record, from December 2022 to December 2023, income grew from $108k to $145k (+35%), an average of +35% a year. The sharpest change came in the year to December 2023, when income rose by 35%. Over the whole period it spent 92% of the income it received.

Among 10,430 United States charities whose main cause is environment and conservation and that reported income, One Big Sustainable Island sits at the 44th percentile: it is larger than about 44% of them. Against every charity in United States with reported income it ranks in the 46th percentile, and in the 40th percentile within ME. Charities of a similar size with the same main cause include Rio Grande Watershed Conservation & Education Initiative ($145k), My Forest Foundation Inc ($145k) and Climatecritical Earth ($145k).

On its Form 990-EZ for the period ending December 2023, revenue came from contributions and grants 0.9% and program service revenue 97% of the total. At year end it held assets of $65k against liabilities of $13k, net assets of $52k.