2026-09-22T10:59:53-04:00 2025-12-31 364538293 LUDWIG KLEWER & RUDNER PLLC 4783 E CAMP LOWELL DR TUCSON AZ 85712 990 2025-01-01 825150240 CENTER ACTION FUND CENT 5206235252 1411 K ST NW SUITE 1300 WASHINGTON DC 20005 GUY KUAWU FIN & ADMIN DIRECTOR 5205450500 2026-09-15 true JULIE S KLEWER CPA P00343046 5205450500 2026-09-16 2025 KIERAN SUCKLING PO BOX 1783 TUCSON AZ 85702 63632 false X WWW.CENTERACTIONFUND.ORG X 2018 DC THE ORGANIZATION'S MISSION IS TO PROMOTE SOCIAL WELFARE, INCLUDING BUT NOT LIMITED TO 1) ADVOCATING FOR STRONGER ENVIRONMENTAL LAWS AND POLICIES TO PROTECT WILDLIFE, THE ENVIRONMENT AND HUMAN HEALTH, 2) EDUCATING THE PUBLIC ABOUT THE IMPORTANCE OF STRONG ENVIRONMENTAL LAWS AND THE THREATS THEY FACE, AND 3) ADVOCATING FOR AND AGAINST LEGISLATORS AND ELECTED OFFICIALS TO FURTHER ADVANCE STRONG ENVIRONMENTAL PROTECTIONS. CENTER ACTION FUND PRIMARILY FOCUSES ON ISSUES RELATING TO PROTECTIONS FOR ENDANGERED SPECIES, PUBLIC LANDS, CLEAN AIR, CLEAN WATER, AND A SAFE CLIMATE. 3 2 0 0 97707 63290 0 0 342 97707 63632 1500 6000 0 0 0 713 142935 68521 144435 74521 -46728 -10889 100386 93101 3668 7272 96718 85829 X THE ORGANIZATION'S MISSION IS TO PROMOTE SOCIAL WELFARE, INCLUDING BUT NOT LIMITED TO 1) ADVOCATING FOR STRONGER ENVIRONMENTAL LAWS AND POLICIES TO PROTECT WILDLIFE, THE ENVIRONMENT AND HUMAN HEALTH, 2) EDUCATING THE PUBLIC ABOUT THE IMPORTANCE OF STRONG ENVIRONMENTAL LAWS AND THE THREATS THEY FACE, AND 3) ADVOCATING FOR AND AGAINST LEGISLATORS AND ELECTED OFFICIALS TO FURTHER ADVANCE STRONG ENVIRONMENTAL PROTECTIONS. CENTER ACTION FUND PRIMARILY FOCUSES ON ISSUES RELATING TO PROTECTIONS FOR ENDANGERED SPECIES, PUBLIC LANDS, CLEAN AIR, CLEAN WATER, AND A SAFE CLIMATE. false false 56678 ELECTIONEERING: THE CENTER ACTION FUND MADE ONE ENDORSEMENT IN A SPECIAL ELECTION IN ARIZONA PROVIDING INFORMATION TO THE PUBLIC ABOUT THE CANDIDATES' RECORDS OF SUPPORT FOR ENVIRONMENTAL PROTECTIONS IN THAT RACE. 13724 6000 SOCIAL WELFARE: THE CENTER ACTION FUND TRACKED THE TRUMP ADMINISTRATION'S IMPLEMENTATION OF PROJECT 2025 AND OTHER CRITICAL ROLLBACKS OF ENVIRONMENTAL PROTECTIONS, AND PROVIDED THE PUBLIC AND DECISION-MAKERS INFORMATION ABOUT THE CONSEQUENCES OF SUCH ROLLBACKS ON THE ENVIRONMENT. THE CENTER ACTION FUND CONTINUES TO TRACK AND ASSESS ALL LEGISLATIVE ATTACKS BY DEMOCRATIC AND REPUBLICAN FEDERAL LEGISLATORS RELATED TO (1) ENDANGERED SPECIES (2) PUBLIC LANDS (3) THE ENVIRONMENTAL PROTECTION AGENCY (4) THE DEPARTMENTS OF AGRICULTURE AND INTERIOR AND (5) CLIMATE CHANGE. WE PROVIDE THE PUBLIC WITH INFORMATION REGARDING THESE LEGISLATIVE EFFORTS TO WEAKEN KEY ENVRIONMENTAL LAWS, POLICIES, PLACES, AND SPECIES PROTECTIONS 70402 false false true false false false false false false false false false false true true false true false false false false false false false false false true false true false false false false false false false false false false false false false true false false true 0 0 0 false false false false false false false false X 3 2 false false false false false false false true true false false true false false false false false false CENTER FOR BIOLOGICAL DIVERSITY 5206235252 PO BOX 710 TUCSON AZ 85702 KIERAN SUCKLING BOARD PRESID 5.00 40.00 X X 0 329461 60350 BRETT HARTL SECRETARY 20.00 X X 0 138211 21693 LORIN LINDNER TREASURER 1.00 1.00 X X 0 0 0 467672 82043 false true false 63290 63290 OTHER INCOME 999999 342 342 342 63632 342 6000 6000 6936 6742 136 58 2970 2970 453 453 2081 1952 101 28 684 636 36 12 851 811 33 7 14280 12852 1000 428 SERVICES PROVIDED BY CBD 40266 38283 1803 180 74521 67729 6079 713 92107 81072 8279 12029 100386 93101 745 3668 6527 3668 7272 X 12916 -48539 83802 134368 96718 85829 100386 93101 -10889 X false true X true false false SCHEDULE C, PART IV THE CENTER ACTION FUND'S ELECTIONEERING AND SOCIAL WELFARE WORK ARE NOT AFFILIATED WITH ANY POLITICAL PARTY. THEY FOCUS ON ENVIRONMENTAL PROTECTION GOALS AND THREATS, AND THE RECORD OF LEGISLATORS, ADMINISTRATORS, AND CANDIDATES REGARDING THOSE GOALS AND THREATS. THE CENTER ACTION FUND DID NOT CONTRIBUTE TO ANY OUTSIDE 527 ORGANIZATIONS OR PROVIDE ANY DIRECT SUPPORT TO ANY ELECTORAL CAMPAIGNS. THE CENTER ACTION FUND DID NOT ENGAGE IN ANY STATE OR FEDERAL LOBBYING IN 2025. THE CENTER ACTION FUND DID NOT MAKE ANY INDEPENDENT EXPENDITURES IN 2025. DUE TO CBD 6527 6527 X SCHEDULE D, PAGE 3, PART X THE ORGANIZATION'S POLICY IS TO DISCLOSE OR RECOGNIZE INCOME TAX POSITIONS BASED ON MANAGEMENT'S ESTIMATE OF WHETHER IT IS REASONABLY POSSIBLE OR PORBABLE, RESPECTIVELY, THAT A LIABILITY HAS BEEN INCURRED FOR UNRECOGNIZED INCOME TAX POSITIONS. AS OF DECEMBER 31, 2025, MANAGEMENT IS NOT AWARE OF ANY UNCERTAIN TAX POSITIONS THAT ARE POTENTIALLY MATERIAL. IN ADDITION, MANAGEMENT IS NOT AWARE OF ANY MATTERS THAT WOULD CAUSE THE ORGANIZATION TO LOSE IT TAX-EXEMPT STATUS. false WORKING FAMILY PARTY 77 SANDS STREET BROOKLYN NY 11201 204994004 501C3 6000 FMV SUPPORT OF MISSION 1 false false false false false false false false false KIERAN SUCKLING BOARD PRESIDENT 329461 46207 14143 389811 BRETT HARTL SECRETARY 138211 12529 9164 159904 FORM 990 - ORGANIZATION'S MISSION THE ORGANIZATION'S MISSION IS TO PROMOTE SOCIAL WELFARE, INCLUDING BUT NOT LIMITED TO 1) ADVOCATING FOR STRONGER ENVIRONMENTAL LAWS AND POLICIES TO PROTECT WILDLIFE, THE ENVIRONMENT AND HUMAN HEALTH, 2) EDUCATING THE PUBLIC ABOUT THE IMPORTANCE OF STRONG ENVIRONMENTAL LAWS AND THE THREATS THEY FACE, AND 3) ADVOCATING FOR AND AGAINST LEGISLATORS AND ELECTED OFFICIALS TO FURTHER ADVANCE STRONG ENVIRONMENTAL PROTECTIONS. CENTER ACTION FUND PRIMARILY FOCUSES ON ISSUES RELATING TO PROTECTIONS FOR ENDANGERED SPECIES, PUBLIC LANDS, CLEAN AIR, CLEAN WATER, AND A SAFE CLIMATE. FORM 990, PAGE 2, PART III, LINE 4B SOCIAL WELFARE: THE CENTER ACTION FUND TRACKED THE TRUMP ADMINISTRATION'S IMPLEMENTATION OF PROJECT 2025 AND OTHER CRITICAL ROLLBACKS OF ENVIRONMENTAL PROTECTIONS, AND PROVIDED THE PUBLIC AND DECISION-MAKERS INFORMATION ABOUT THE CONSEQUENCES OF SUCH ROLLBACKS ON THE ENVIRONMENT. THE CENTER ACTION FUND CONTINUES TO TRACK AND ASSESS ALL LEGISLATIVE ATTACKS BY DEMOCRATIC AND REPUBLICAN FEDERAL LEGISLATORS RELATED TO (1) ENDANGERED SPECIES (2) PUBLIC LANDS (3) THE ENVIRONMENTAL PROTECTION AGENCY (4) THE DEPARTMENTS OF AGRICULTURE AND INTERIOR AND (5) CLIMATE CHANGE. WE PROVIDE THE PUBLIC WITH INFORMATION REGARDING THESE LEGISLATIVE EFFORTS TO WEAKEN KEY ENVRIONMENTAL LAWS, POLICIES, PLACES, AND SPECIES PROTECTIONS FORM 990, PAGE 6, PART VI, LINE 11B NO REVIEW WAS OR WILL BE CONDUCTED. FORM 990, PAGE 6, PART VI, LINE 19 NO DOCUMENTS AVAILABLE TO THE PUBLIC CENTER FOR BIOLOGICAL DIVERSITY INC PO BOX 710 TUCSON AZ 85702 273943866 CHARITABLE 501C3 7 N/A false false false false false false false false false false false false false false false true false false false false