A river running through a deep pine forest valley

Grant recipient EIN 86-0796748Environment

Who funds Sky Island Alliance?

27 private foundations gave Sky Island Alliance in Tucson, AZ $1.9 million across 80 grants, in tax years 2017 to 2025.

Grants listed on funders’ 990-PF returns for tax years 2017 to 2025, read from the IRS e-file on Nov 11, 2026. Returns reach the IRS 5 to 18 months after the year they describe.

Grants received by year

Grants from private foundations by the funder’s tax year. The latest year is in blue; it is not complete until all its returns reach the IRS.

Every foundation grant, by year

80 grants

Each line as the funder listed it on its return, newest year first, then largest.

  1. The Ga Binney Conservation Foundation TrustReno, NV 2025

    Border wildlife study

    $25,000
  2. Rossetter FoundationChicago, IL 2025

    General purposes

    $16,000
  3. Dry Family Charitable FoundationPhiladelphia, PA 2025

    Educational purposes

    $7,500
  4. Horace Dawson FoundationRockville, MD 2025

    General operating support

    $2,030
  5. Jade Tree FoundationGreenville, DE 2025

    Operational

    $1,000
  6. Adler Schuppert Family FoundationWilmington, DE 2025

    General & Unrestricted

    $1,000
  7. Wilburforce FoundationSeattle, WA 2024

    Environmental - general support 2024

    $200,000
  8. Wilburforce FoundationSeattle, WA 2024

    Environmental - border wildlife study and advocacy support

    $100,000
  9. Arthur L Bud Johnson in Memory of Elaine V Johnson FoundationCumming, GA 2024

    Nature conservation

    $20,000
  10. Rossetter FoundationChicago, IL 2024

    General purposes

    $16,000
  11. The Schaffner Family FoundationNew York, NY 2024

    Land conservation

    $15,000
  12. Woodin LaboratoryCleveland, OH 2024

    General support

    $10,000
  13. Dry Family Charitable FoundationPhiladelphia, PA 2024

    Educational purposes

    $7,500
  14. Steven C Leuthold Family FoundationBrevard, NC 2024

    Operations

    $5,000
  15. Lily Pad Fund for NatureWilmington, DE 2024

    Funding for Path of Panther fencing

    $5,000
  16. Adler Schuppert Family FoundationWilmington, DE 2024

    General & Unrestricted

    $5,000
  17. Jade Tree FoundationGreenville, DE 2024

    Operational

    $1,000
  18. Zavatsky Brott FoundationTucson, AZ 2024

    Program support

    $1,000
  19. Holder Family Foundation Holder Family TrustElk, CA 2024

    General use

    $150
  20. Wilburforce FoundationSeattle, WA 2023

    Environmental - general support 2023

    $208,000
  21. Wilburforce FoundationSeattle, WA 2023

    Environmental - border wildlife study and advocacy support

    $100,000
  22. Rossetter FoundationChicago, IL 2023

    General purposes

    $26,000
  23. Carroll Petrie FoundationSanta Fe, NM 2023

    Border wall work to benefit wildlife

    $25,000
  24. The Schaffner Family FoundationNew York, NY 2023

    Land conservation

    $15,000
  25. Southwest Foundation for Education & Historical PreservationDenver, CO 2023

    Support for mission of organization

    $10,000
  26. Dry Family Charitable FoundationPhiladelphia, PA 2023

    Educational purposes

    $7,500
  27. Dr Scholl FoundationNorthbrook, IL 2023

    Jaguar preservation program

    $5,000
  28. Steven C Leuthold Family FoundationBrevard, NC 2023

    Operations

    $4,000
  29. Wilburforce FoundationSeattle, WA 2023

    Environmental - esa conference support

    $1,600
  30. Jade Tree FoundationGreenville, DE 2023

    Operational

    $1,000
  31. Adler Schuppert Family FoundationWilmington, DE 2023

    General & Unrestricted

    $1,000
  32. Amazonsmile FoundationSeattle, WA 2023

    General support

    $533
  33. Holder Family Foundation Holder Family TrustElk, CA 2023

    General use

    $150
  34. Wilburforce FoundationSeattle, WA 2022

    Environmental

    $200,000
  35. Wilburforce FoundationSeattle, WA 2022

    Environmental

    $75,000
  36. Wilburforce FoundationSeattle, WA 2022

    Environmental

    $40,000
  37. Brabson Library & Educational Foundation XXX-XX-XXXXEagle River, AK 2022

    Cultural

    $25,250
  38. Carroll Petrie FoundationSanta Fe, NM 2022

    Border wall work to benefit wildlife

    $25,000
  39. The Schaffner Family FoundationNew York, NY 2022

    Land conservation

    $15,000
  40. Wilburforce FoundationSeattle, WA 2022

    Environmental

    $14,000
  41. Sequoia Farm FoundationDecatur, IL 2022

    Equipment

    $13,835
  42. Martha R Neff FoundationTucson, AZ 2022

    Education funds

    $10,000
  43. Dry Family Charitable FoundationPhiladelphia, PA 2022

    Educational purposes

    $6,000
  44. Clif Family FoundationSaint Helena, CA 2022

    Safeguard the Environment and Natural Resources

    $5,000
  45. Steven C Leuthold Family FoundationBrevard, NC 2022

    Operations

    $4,000
  46. Jade Tree FoundationGreenville, DE 2022

    Operational

    $1,000
  47. Amazonsmile FoundationSeattle, WA 2022

    General support

    $387
  48. Holder Family Foundation Holder Family TrustElk, CA 2022

    General use

    $100
  49. Wilburforce FoundationSeattle, WA 2021

    Environmental

    $200,000
  50. Wilburforce FoundationSeattle, WA 2021

    Environmental

    $50,000
  51. The Schaffner Family FoundationNew York, NY 2021

    Land conservation

    $15,000
  52. Rossetter FoundationChicago, IL 2021

    General purposes

    $10,000
  53. Wilburforce FoundationSeattle, WA 2021

    Environmental

    $7,400
  54. Dr Scholl FoundationNorthbrook, IL 2021

    Protecting the path of the jaguar

    $5,000
  55. Clif Family FoundationSaint Helena, CA 2021

    Preserving Wild Places and the Backcountry

    $4,000
  56. Dry Family Charitable FoundationPhiladelphia, PA 2021

    Educational purposes

    $1,000
  57. Jade Tree FoundationGreenville, DE 2021

    Operational

    $1,000
  58. Kismet 805 FoundationBellevue, WA 2021

    Operating

    $1,000
  59. Amazonsmile FoundationSeattle, WA 2021

    General support

    $608
  60. Westport FundWashington, DC 2021

    Charitable purposes

    $500
  61. Holder Family Foundation Holder Family TrustElk, CA 2021

    General use

    $100
  62. Wilburforce FoundationSeattle, WA 2020

    Environmental

    $200,000
  63. Wilburforce FoundationSeattle, WA 2020

    Environmental

    $50,000
  64. The Horne Family FoundationBoston, MA 2020

    Supports general activities

    $10,000
  65. Rossetter FoundationChicago, IL 2020

    General purposes

    $10,000
  66. Clif Family FoundationSaint Helena, CA 2020

    Preserving wild places and the backcountry

    $4,500
  67. Wilburforce FoundationSeattle, WA 2020

    Environmental

    $1,500
  68. Kismet 805 FoundationBellevue, WA 2020

    Operating

    $1,000
  69. Amazonsmile FoundationSeattle, WA 2020

    General support

    $460
  70. Holder Family Foundation Holder Family TrustElk, CA 2020

    General use

    $100
  71. PatagoniaorgVentura, CA 2019

    To support environmental projects.

    $15,000
  72. Rossetter FoundationChicago, IL 2019

    General purposes

    $10,000
  73. Clif Family FoundationSaint Helena, CA 2019

    Preserving wild places & the backcountry

    $4,500
  74. Kismet 805 FoundationBellevue, WA 2019

    Operating

    $1,000
  75. PatagoniaorgVentura, CA 2018

    To support environmental projects.

    $10,000
  76. Rossetter FoundationChicago, IL 2018

    General purposes

    $6,000
  77. Clif Family FoundationSaint Helena, CA 2018

    Preserving wild places & the backcountry

    $4,500
  78. The Biophilia Foundation IncChester, MD 2018

    Habitat/land conservation

    $1,000
  79. Kismet 805 FoundationBellevue, WA 2018

    Operating

    $1,000
  80. PatagoniaorgVentura, CA 2017

    To support environmental projects.

    $18,250

Funders of similar organizations nearby

Foundations that gave to other environment organizations in Tucson, AZ and are not among Sky Island Alliance’s funders above.

  1. Texas Instruments FoundationDallas, TX 14 grants Accepts applications $3,323 to similar organizations
  2. Wallace Research FoundationCedar Rapids, IA 21 grants Preselected only $2,114,000 to similar organizations
  3. Met Foundation IncIndianapolis, IN 25 grants Preselected only $929,794 to similar organizations
  4. Baird Foundation IncMilwaukee, WI 20 grants Preselected only $13,978 to similar organizations
  5. Deupree Family FoundationWilmington, DE 18 grants Accepts applications $118,273 to similar organizations
  6. The HS Lopez Family FoundationTucson, AZ 7 grants Accepts applications $49,500 to similar organizations
  7. American Express FoundationNew York, NY 21 grants Accepts applications $1,947 to similar organizations
  8. Kautz Family FoundationTucson, AZ 8 grants Preselected only $478,645 to similar organizations

About this match

Funders write a recipient’s name and address, not its EIN. We matched these grants to EIN 86-0796748 by name and ZIP code, or by name, city and State against the IRS list of exempt organizations and our list of filers. Grants we could not tie to one organization are not counted here.