Index Every US public charity, on the record

Environment in Hawaii

360 public charities the IRS codes as environment, 125 of them reporting revenue of $50,000 or more.

Organizations

Largest first

By revenue on the last return. Organizations that file Form 990-N report no figures and come last.

Organization	Return	Revenue
Hoolehua Agriculture Axis ProgramWaimanalo	Form 990-N	No figure
Malipolipo Foundation IncKealakekua	Form 990-N	No figure
Blue Ocean FuturesHonolulu	Form 990 or 990-EZ	No figure
Global Ecology FoundationHonokaa	Form 990-N	No figure
National Tropical Botanical GardenKalaheo	Form 990 or 990-EZ	No figure
The Coral ConservancyHonolulu	Form 990-N	No figure
Western Pacific Regional Fishery Management CouncilHonolulu	None required	No figure
Ocean JanitorsCaptain Cook	Form 990-N	No figure
EconserveHaiku	Form 990-N	No figure
Guardians of Pu U Kukui IncLahaina	Form 990-N	No figure

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By size

Under $50K207
$50K to $500K77
$500K to $1M16
$1M to $2.5M23
$2.5M to $5M9
Over $5M3
No figure on file25

Size classes

Peers are ranked inside these.

$50K to $500K
74 organizations, median $192K
$500K to $5M
48 organizations, median $1.26M
Over $5M
3 organizations, median $12.4M

Most common codes

Natural resources conservation and protection
NTEE C30
107
Environmental education
NTEE C60
53
Water resources, wetlands conservation and management
NTEE C32
41
Land resources conservation
NTEE C34
31
Other environment
NTEE C99
23
Alliances and advocacy
NTEE C01
16
Environmental beautification
NTEE C50
15
Forest conservation
NTEE C36
11

Cities

Honolulu
96
Lahaina
16
Kailua-Kona
15
Hilo
14
Kailua
11
Kamuela
10
Haiku
9
Waianae
9
Wailuku
9
Kaneohe
8

Source. IRS public records, as of October 13, 2026. Financial figures are from the most recent return on file. Street addresses are not published here.

Peers. Public charities with the same focus group, state and size class, and a return no more than 33 months old.

Scope. The Index covers the 501(c)(3) organizations the IRS classes as publicly supported charities, in the 50 states and the District of Columbia. Churches, schools, hospitals and supporting organizations are classed separately and are not included.