About
To protect and preserve wisconsin's clean AIR, water and natural heritage.
Donations are tax-deductible
Financial Snapshot
FY ending 2024-12-31Financial history
161718192021222324
RevenueExpenses
Latest FY2024: $4.0M · Avg: $2.7M
501(h) election
This 501(c)(3) elected the 501(h) safe-harbor — lobbying expenditures are capped under a clear dollar formula instead of the "insubstantial part" standard.
Political & Grant Activity
Address
634 W Main ST STE 300
Madison, WI, 53703-268
Governance
Voting board members17
Independent members17
Conflict-of-interest policyYes
Whistleblower policyYes
Doc-retention policyYes
Audit committeeYes
990 reviewed by boardNo
Compensation practices
Severance paymentsNo
Equity-based compNo
Supplemental retirement planNo
Board approved compYes
Initial contract exceptionNo
Financial detail (Schedule D)
Board-designated %34.3%
Permanent endowment %48.6%
Endowment held by related orgNo
Public records
These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.