Gold Star Green — Coalition (Public Summary)

The coalition is the funding and participation model behind our recommended path — the Lid Park. It’s also a structure any of the other six community-surfaced options could borrow from. Cambridge decides what gets built. The coalition exists to make sure whichever path the City picks has real backing, not just a petition.

coalition

$10 million is too much for one line item. It's pocket change for a coalition of foundations, residents, universities, and neighbors.

The park is public. The funding doesn't have to come from one place. Distributed risk, broader accountability.

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Public summary

Gold Star Green — Coalition (Public Summary)

What the coalition is

Gold Star Green is a proposed distributed public-private partnership to explore whether a contaminated community park can be safely reopened through a coordinated, staged process. It is not one organization. It is a set of seats at a table, and the categories that belong in those seats are broad by design: foundations, research universities, community organizations, residents, civic-tech builders, and the municipal and regulatory bodies with jurisdiction over the site. No single category carries the work; each enters at the stage where its mandate fits.

How it works

Santa Prosper LLC recommends a park-roof path — our favored recommendation is the Lid Park, a deck park over the remediated site — and the coalition described here is the funding and participation model designed to underwrite that kind of project. The recommendation is not the only option. Six other community-surfaced futures for the park are tracked alongside the Lid Park on thelittledig.org under /options, and Cambridge gets to decide which one the city actually builds. The coalition structure described below could underwrite any of them.

The flow is straightforward: private diligence first, where technical and legal feasibility are tested against evidence; then public design review, where the affected community and the City see the same information at the same time; then staged payout, where money moves only after a gate has been earned. No gate is funded before the previous gate has produced its artifact. No commitment is made to a downstream gate until the current one is complete.

What it is not

Where to learn more

Detailed terms — including the list of specific prospective partners, the investor-side language, the legal instruments, and the budget breakdown — are in private counsel review and are not yet suitable for public release. That is why this summary describes the coalition in categories only.

The publication gate is deliberate. The rationale for why no partner is named publicly here is recorded in the project’s open-questions log at idunno/questions/2026-04-13-gold-star-green-partners-publication-gate.md: no prospective partner is named on a public-facing surface until that partner has made a public statement about the initiative.

This page will be updated as counsel review completes and as individual coalition participants (if any) make their own public statements. Until then, everything above is framing, not commitment.

Who belongs at the table

Categories only. No partner is named on a public-facing surface until that partner has made a public statement about the initiative.

  1. Residents and neighbors

    Sign on, attend public meetings, and stay on the list for design review sessions.

  2. Foundations

    Fund the line items that match your mandate. Each gate is scoped so your exit test is clear.

  3. Research universities

    Contribute methodology review, treatability study capacity, or peer review of the feasibility package.

  4. Community organizations

    Bring existing neighborhood relationships, translation capacity, and convening experience.

  5. Civic-tech builders

    Build the observability surfaces, the data access layer, and the public design review tooling.

  6. Municipal and regulatory bodies

    The City of Cambridge, EPA Region 1, and MassDEP each have jurisdiction regardless of any coalition framing.

Investor model concept

Coalition Investor Model

Gold Star Green describes itself as a coalition project, not a funding round. The distinction matters because as of 2026-04-13 there is no authorized remediation, no filed 40 CFR 761.61(c) application, no revocable access license granted by the City of Cambridge, and no current offering of securities. The coalition model is the public vocabulary for how a project in this state invites participation.

The coalition model is designed to underwrite Santa Prosper’s recommended path — the Lid Park — but it is not locked to that single option. Six other community-surfaced futures for Gold Star Mothers Park live at /options on thelittledig.org, and the coalition structure described here could underwrite any of them if Cambridge chooses a different path. The model is about how a civic project in pre-authorization state invites participation, not about which specific design ends up on the site.

This article describes the model at the concept level. The full coalition proposal lives under partners/coalition-proposal.md and is currently private-review pending counsel review. Nothing below should be read as an offer of a security or a commitment to raise funds.

Four tracks

The April 12 diff pack (see source) describes four participation tracks for the public campaign:

  1. Residents and neighborhood supporters — sign and follow.
  2. Scientific and engineering partners — universities, labs, and consultants who can contribute methodology review.
  3. Foundation and agency partners — foundations, agencies, and programs that fund environmental work.
  4. Investor interest — a separate, explicitly non-solicitation track that uses Reg CF Rule 206 testing-the-waters language, with no SAFE, no commitment tier, and a required disclosure legend.

Only the first three are public-facing in the v1 coalition language. See cambridge coalition graph for the entity graph and epa region 1 and tufts cee for specific entity stubs.

Reg CF Rule 206 posture

The April 12 reframe replaced an earlier “SAFE Commitment” investor tier with a “Non-Binding Indication” tier and added the required 17 CFR 227.206 disclosure:

No money or other consideration is being solicited, and if sent in response, will not be accepted. No offer to buy the securities can be accepted and no part of the purchase price can be received until the offering statement is filed and only through an intermediary’s platform. A person’s indication of interest involves no obligation or commitment of any kind.

This is a testing-the-waters posture under Regulation Crowdfunding. It is not a safe harbor that authorizes sales. See the contamination data, regulatory pathway, and engineering feasibility claims articles for what is and is not currently supported by primary sources.

Revocable access license

The proposed structure for field access to Gold Star Mothers Park, should a pilot ever proceed, is a revocable access license from the City of Cambridge to a qualified operator — not a lease, not a sale, not an SBIR-style engagement. A term sheet draft exists in raw/moonshots.boston/research/homeworld-bio/revocable-access-license-term-sheet.md; no license has been proposed to or granted by the City as of 2026-04-13.

What this concept does not claim

All entity relationships described in cambridge coalition graph are either “historical” (research the entity has already published), “proposed” (a conversation or outreach has occurred), or “active regulator” (the entity has jurisdiction regardless of the project’s posture).

Next step

If any of the categories above fits you, leave an email so you hear when the coalition meets or when the next draft is published.

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