Liabilities / Assets
38th percentile
Higher debt load relative to assets than 38% of similar nonprofits.
EIN 47-1941171 • 501(c)3 • New York, NY
Profile
The climate science legal defense fund provides legal assistance to climate science researchers and institutions facing legal challenges by politically and ideologically motivated groups.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
38th percentile
Higher debt load relative to assets than 38% of similar nonprofits.
Liabilities / Revenue
46th percentile
Higher debt load relative to revenue than 46% of similar nonprofits.
Net Margin
62nd percentile
Higher net margin than 62% of similar nonprofits.
Top Officer Pay
68th percentile
Higher top officer pay than 68% of similar nonprofits.
Top officer pay equals 22.2% of source-year revenue.
Asset Growth
52nd percentile
Faster asset growth than 52% of similar nonprofits.
Revenue Growth
22nd percentile
Faster revenue growth than 22% of similar nonprofits.
Assets
Up$1,297,929
Up $54,461 (+4.4%) from 2023
Liabilities
Up$27,207
Up $3,677 (+16%) from 2023
Net Assets
Up$1,270,722
Up $50,784 (+4.2%) from 2023
Revenue
Down$465,503
Down $60,296 (-11%) from 2023
Expenses
Up$414,719
Up $47,708 (+13%) from 2023
Net Income
Down$50,784
Down $108,004 (-68%) from 2023
Most recent year
2024 • Form 990Facts available. Structured filing facts are available, but richer extracted sections are limited.
The climate science legal defense fund (csldf) protects the scientific endeavor by putting our legal expertise to work for scientists who are threatened or silenced for doing their jobs. Our efforts and educational resources preserve and expand scientists' rights and strengthen legal protections to promote scientific integrity.
The climate science legal defense fund provides legal assistance to climate science researchers and institutions facing legal challenges by politically and ideologically motivated groups.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Cash and Non-Interest-Bearing Accounts | $865,346 | $942,634 | ▲ $77,288 |
| Savings and Temporary Cash Investments | $282,509 | $333,093 | ▲ $50,584 |
| Prepaid Expenses and Deferred Charges | $16,707 | $17,186 | ▲ $479 |
| Pledges and Grants Receivable | $76,181 | $2,653 | ▼ $73,528 |
| Land, Buildings, and Equipment, Net | $695 | $333 | ▼ $362 |
| Total Assets | $1,243,468 | $1,297,929 | ▲ $54,461 |
| Other Assets Total | $2,030 | $2,030 | → $0 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $23,530 | $27,207 | ▲ $3,677 |
| Total Liabilities | $23,530 | $27,207 | ▲ $3,677 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $1,159,938 | $1,270,722 | ▲ $110,784 |
| Net Assets With Donor Restrictions | $60,000 | $0 | ▼ $60,000 |
| Total Net Assets Fund Balance | $1,219,938 | $1,270,722 | ▲ $50,784 |
| Total Liabilities and Net Assets / Fund Balance | $1,243,468 | $1,297,929 | ▲ $54,461 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Land Buildings | $0 | $18,750 | $18,750 |
| Equipment | $333 | $5,165 | $5,498 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Lauren Kurtz | Executive Director | FT | $103,333 | $67 | $103,400 |
| Name | Title |
|---|---|
| Joshua Wolfe | Chair of the Board |
| Andrew Frey | Vice-chair of the Board |
| Aradhna Tripati | Director |
| Charles Zeller | Director |
| Cymie Payne | Director |
| Katrina Kuh | Director |
| Michael Gerrard | Director |
| Michael Oppenheimer | Director |
| Naomi Oreskes | Director |
| Peter Fontaine | Director (from Dec 2024) |
| Scott Mandia | Secretary |
| Jeffrey Masters | Treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $208,810 |
| Other Expenses | $205,909 |
| Total Fundraising Expense | $78,719 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Fees for Services Other | $21,259 | $34,166 | $59,632 | $115,057 |
| Current Officers, Directors, Trustees, and Key Employees | $89,919 | $6,237 | $7,244 | $103,400 |
| Other Salaries and Wages | $74,278 | - | - | $74,278 |
| Occupancy | $18,252 | $795 | $794 | $19,841 |
| Insurance | $5,000 | $14,773 | - | $19,773 |
| Office Expenses | $123 | $11,593 | $7,688 | $19,404 |
| Payroll Taxes | $14,262 | $1,584 | $577 | $16,423 |
| Other Employee Benefits | $14,709 | - | - | $14,709 |
| Fees for Services Accounting | - | $14,200 | - | $14,200 |
| Conferences and Meetings | $9,487 | - | - | $9,487 |
| Information Technology | $3,303 | $139 | $2,736 | $6,178 |
| Advertising | $1,346 | $172 | $48 | $1,566 |
| Depreciation Depletion | - | $362 | - | $362 |
| Travel | $41 | - | - | $41 |
| Total Functional Expenses | $251,979 | $84,021 | $78,719 | $414,719 |
| Line Item | Amount |
|---|---|
| Total Expenses per Audited Statements | $445,429 |
| Expenses per Audited Statements | $414,719 |
| Total Expenses per Form 990 | $414,719 |
| Expenses Not Reported on Form 990 | $30,710 |
| Expenses Not Reported on Financial Statements | $0 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
“The prepared form 990 is reviewed by the organization's governing body before the return is filed with the irs.”
“Annually all directors and officers complete and sign a statement that provides information regarding their interests and those of their family members that could give rise to conflicts. The members of the governing body make determinations of whether a conflict exists and review actual conflicts. Any person with a conflict is prohibited from participating in the governing body's deliberations and decisions in the transaction.”
“Compensation for management personnel is compared to the industry standards of similar organization's upon first hiring. All subsequent raises are reviewed and approved by the board of directors. The board incorporates the overall financial health of the organization into their decision making.”
“The organization makes its governing documents, conflict of interest policy, and financial statements available to the public upon request.”
“Climate science legal defense fund leases employees from a professional employment organization, trinet. The employees are considered common law employees of climate science legal defense fund, however, trinet is the employer of record and employees get their w2s from trinet.”
“Consultants: program service expenses 21,259. Management and general expenses 20,535. Fundraising expenses 59,632. Total expenses 101,426. Payroll processing fees: program service expenses 0. Management and general expenses 13,631. Fundraising expenses 0. Total expenses 13,631.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 23530 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 27207 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | THE CLIMATE SCIENCE LEGAL DEFENSE FUND PROVIDES LEGAL ASSISTANCE TO CLIMATE SCIENCE RESEARCHERS AND INSTITUTIONS FACING LEGAL CHALLENGES BY POLITICALLY AND IDEOLOGICALLY MOTIVATED GROUPS. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 48 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 172 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 1346 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 1566 |
| IRS990/AllOtherContributionsAmt | 0 | 462009 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | LAUREN KURTZ |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6468010853 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 475 RIVERSIDE DR STE 246 |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | NEW YORK |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 10115 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 865346 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 942634 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 0 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 7244 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 6237 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 89919 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 103400 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 0 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 9487 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 9487 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 462821 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 2334 |
| IRS990/CYOtherExpensesAmt | 0 | 205909 |
| IRS990/CYOtherRevenueAmt | 0 | 348 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 50784 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 208810 |
| IRS990/CYTotalExpensesAmt | 0 | 414719 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 78719 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 465503 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 362 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 362 |
| IRS990/Desc | 0 | THE CLIMATE SCIENCE LEGAL DEFENSE FUND WORKS TO EDUCATE THE SCIENTIFIC COMMUNITY ABOUT THEIR RIGHTS AND THEIR RESPONSIBILITIES REGARDING LEGAL ISSUES SURROUNDING THEIR WORK, AS WELL AS EDUCATE THE PUBLIC ON LEGAL ISSUES FACING SCIENTISTS. THE CLIMATE SCIENCE LEGAL DEFENSE FUND ALSO SERVES AS A CLEARINGHOUSE FOR INFORMATION RELATED TO LEGAL ACTIONS TAKEN AGAINST SCIENTISTS IN ORDER TO PROVIDE LAWYERS REPRESENTING SCIENTISTS WITH INFORMATION ABOUT PAST CASES AND STRATEGIES. THE CLIMATE SCIENCE LEGAL DEFENSE FUND TAKES AN ACTIVE INTEREST IN LITIGATION INVOLVING SCIENTISTS, INCLUDING HELPING RAISE FUNDS FOR SCIENTISTS' DEFENSE, SERVING AS A RESOURCE IN FINDING PRO BONO REPRESENTATION, FILING COURT PAPERS URGING THE PROTECTION OF SCIENCE AND SCIENTISTS, AND PROVIDING SUPPORT DURING DIFFICULT LITIGATION OR THREATENED LITIGATION. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 60000 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 0 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 251979 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FederatedCampaignsAmt | 0 | 812 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 14200 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 14200 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 59632 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 34166 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 21259 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 115057 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 1.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 67 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | JOSHUA WOLFE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | SCOTT MANDIA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | CHARLES ZELLER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | ANDREW FREY |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | NAOMI ORESKES |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | JEFFREY MASTERS |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | MICHAEL OPPENHEIMER |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | MICHAEL GERRARD |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | KATRINA KUH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | CYMIE PAYNE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | ARADHNA TRIPATI |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | PETER FONTAINE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | LAUREN KURTZ |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 103333 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | CHAIR OF THE BOARD |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | VICE-CHAIR OF THE BOARD |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | DIRECTOR |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | DIRECTOR (FROM DEC 2024) |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 2014 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 12 |
| IRS990/GrantAmt | 0 | 0 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossReceiptsAmt | 0 | 465503 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 0 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 1 |
| IRS990/IndependentVotingMemberCnt | 0 | 12 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartIXInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartVInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 2736 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 139 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 3303 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 6178 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 14773 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 5000 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 19773 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 2334 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 2334 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 8 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 23915 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 695 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 333 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 24248 |
| IRS990/LegalDomicileStateCd | 0 | DE |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MiscellaneousRevenueGrp/ExclusionAmt | 0 | 348 |
| IRS990/MiscellaneousRevenueGrp/TotalRevenueColumnAmt | 0 | 348 |
| IRS990/MissionDesc | 0 | SEE SCHEDULE OTHE CLIMATE SCIENCE LEGAL DEFENSE FUND (CSLDF) PROTECTS THE SCIENTIFIC ENDEAVOR BY PUTTING OUR LEGAL EXPERTISE TO WORK FOR SCIENTISTS WHO ARE THREATENED OR SILENCED FOR DOING THEIR JOBS. OUR EFFORTS AND EDUCATIONAL RESOURCES PRESERVE AND EXPAND SCIENTISTS' RIGHTS AND STRENGTHEN LEGAL PROTECTIONS TO PROMOTE SCIENTIFIC INTEGRITY. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1219938 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1270722 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1159938 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1270722 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 794 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 795 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 18252 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 19841 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 7688 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 11593 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 123 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 19404 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 2030 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 2030 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 14709 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 14709 |
| IRS990/OtherRevenueTotalAmt | 0 | 348 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 74278 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 74278 |
| IRS990/OwnWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 577 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 1584 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 14262 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 16423 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 76181 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 2653 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 16707 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 17186 |
| IRS990/PrincipalOfficerNm | 0 | LAUREN KURTZ |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 522694 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 2810 |
| IRS990/PYOtherExpensesAmt | 0 | 198872 |
| IRS990/PYOtherRevenueAmt | 0 | 295 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 0 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 158788 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 168139 |
| IRS990/PYTotalExpensesAmt | 0 | 367011 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 525799 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 50784 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 0 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 0 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 282509 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 333093 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 462821 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 522694 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 517665 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 569124 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 357913 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 2430217 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 2334 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 2810 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 582 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 1157 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 2960 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 9843 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 9168 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.80090 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.78350 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 1954214 |
| IRS990ScheduleA/SubstantialContributorsTotAmt | 0 | 476003 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 462821 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 522694 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 517665 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 569124 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 357913 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 2430217 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 2440060 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/DonatedServicesAndUseFcltsAmt | 0 | 30710 |
| IRS990ScheduleD/DonatedServicesUseFcltsAmt | 0 | 30710 |
| IRS990ScheduleD/EquipmentGrp/BookValueAmt | 0 | 333 |
| IRS990ScheduleD/EquipmentGrp/DepreciationAmt | 0 | 5165 |
| IRS990ScheduleD/EquipmentGrp/OtherCostOrOtherBasisAmt | 0 | 5498 |
| IRS990ScheduleD/ExpensesNotReportedAmt | 0 | 30710 |
| IRS990ScheduleD/ExpensesNotRptFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/ExpensesSubtotalAmt | 0 | 414719 |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 0 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 18750 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 18750 |
| IRS990ScheduleD/RevenueNotReportedAmt | 0 | 30710 |
| IRS990ScheduleD/RevenueNotReportedFinclStmtAmt | 0 | 0 |
| IRS990ScheduleD/RevenueSubtotalAmt | 0 | 465503 |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 333 |
| IRS990ScheduleD/TotalExpensesPerForm990Amt | 0 | 414719 |
| IRS990ScheduleD/TotalRevenuePerForm990Amt | 0 | 465503 |
| IRS990ScheduleD/TotalRevEtcAuditedFinclStmtAmt | 0 | 496213 |
| IRS990ScheduleD/TotExpnsEtcAuditedFinclStmtAmt | 0 | 445429 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | CLIMATE SCIENCE LEGAL DEFENSE FUND LEASES EMPLOYEES FROM A PROFESSIONAL EMPLOYMENT ORGANIZATION, TRINET. THE EMPLOYEES ARE CONSIDERED COMMON LAW EMPLOYEES OF CLIMATE SCIENCE LEGAL DEFENSE FUND, HOWEVER, TRINET IS THE EMPLOYER OF RECORD AND EMPLOYEES GET THEIR W2S FROM TRINET. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE PREPARED FORM 990 IS REVIEWED BY THE ORGANIZATION'S GOVERNING BODY BEFORE THE RETURN IS FILED WITH THE IRS. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | ANNUALLY ALL DIRECTORS AND OFFICERS COMPLETE AND SIGN A STATEMENT THAT PROVIDES INFORMATION REGARDING THEIR INTERESTS AND THOSE OF THEIR FAMILY MEMBERS THAT COULD GIVE RISE TO CONFLICTS. THE MEMBERS OF THE GOVERNING BODY MAKE DETERMINATIONS OF WHETHER A CONFLICT EXISTS AND REVIEW ACTUAL CONFLICTS. ANY PERSON WITH A CONFLICT IS PROHIBITED FROM PARTICIPATING IN THE GOVERNING BODY'S DELIBERATIONS AND DECISIONS IN THE TRANSACTION. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | COMPENSATION FOR MANAGEMENT PERSONNEL IS COMPARED TO THE INDUSTRY STANDARDS OF SIMILAR ORGANIZATION'S UPON FIRST HIRING. ALL SUBSEQUENT RAISES ARE REVIEWED AND APPROVED BY THE BOARD OF DIRECTORS. THE BOARD INCORPORATES THE OVERALL FINANCIAL HEALTH OF THE ORGANIZATION INTO THEIR DECISION MAKING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE ORGANIZATION MAKES ITS GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY, AND FINANCIAL STATEMENTS AVAILABLE TO THE PUBLIC UPON REQUEST. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 5 | CONSULTANTS: PROGRAM SERVICE EXPENSES 21,259. MANAGEMENT AND GENERAL EXPENSES 20,535. FUNDRAISING EXPENSES 59,632. TOTAL EXPENSES 101,426. PAYROLL PROCESSING FEES: PROGRAM SERVICE EXPENSES 0. MANAGEMENT AND GENERAL EXPENSES 13,631. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 13,631. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART V, LINE 2A: |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 15A |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 5 | FORM 990, PART IX, LINE 11G |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | CA |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 1 | FL |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 2 | MA |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 3 | MD |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 4 | MI |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 5 | NC |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 6 | NH |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 7 | NY |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 8 | OR |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 9 | PA |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 10 | VA |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | 0 |
| IRS990/SubjectToProxyTaxInd | 0 | 0 |
| IRS990/SubjToTaxRmnrtnExPrchtPymtInd | 0 | 0 |
| IRS990/TaxablePartyNotificationInd | 0 | 0 |
| IRS990/TaxExemptBondsInd | 0 | 0 |
| IRS990/TerminateOperationsInd | 0 | 0 |
| IRS990/TotalAssetsBOYAmt | 0 | 1243468 |
| IRS990/TotalAssetsEOYAmt | 0 | 1297929 |
| IRS990/TotalAssetsGrp/BOYAmt | 0 | 1243468 |
| IRS990/TotalAssetsGrp/EOYAmt | 0 | 1297929 |
| IRS990/TotalCompGreaterThan150KInd | 0 | 0 |
| IRS990/TotalContributionsAmt | 0 | 462821 |
| IRS990/TotalEmployeeCnt | 0 | 0 |
| IRS990/TotalFunctionalExpensesGrp/FundraisingAmt | 0 | 78719 |
| IRS990/TotalFunctionalExpensesGrp/ManagementAndGeneralAmt | 0 | 84021 |
| IRS990/TotalFunctionalExpensesGrp/ProgramServicesAmt | 0 | 251979 |
| IRS990/TotalFunctionalExpensesGrp/TotalAmt | 0 | 414719 |
| IRS990/TotalGrossUBIAmt | 0 | 0 |
| IRS990/TotalLiabilitiesBOYAmt | 0 | 23530 |
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