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Ledger 1 : 33 — For each dollar financing nature-based solutions in 2023, about $33 financed activities harmful to nature. (UNEP)
Cases / Urban greening and displacement · United States · 2005–2020

High Line property value effect (New York)

Nature's voice · report
No measurement of the harm done to me here is on record.
Did nature suffer? Not measured.
Not on record
  • The record does not name which of my species, waters, soils or forests were harmed.
What the record lacks: 1 none on record · 3 insufficient · 2 not measured See the gaps

A 2020 study reported that homes within 0.1 mile of New York's High Line gained 35.3% more in value than homes in the 0.1 to 0.4 mile band. The sources reviewed measure prices, not the number of people displaced.

+35.3%Extra value gain within 0.1 mile of the High Line, compared with the 0.1 to 0.4 mile band
Figure reported in a 2020 study (via Kenyon College); a relative gain, not a dollar value.

Status As of 2020: the study reports a 35.3% extra value gain near the High Line; no displacement figures are on record in the sources reviewed.

What?
A study reported a 35.3% extra value gain for homes within 0.1 mile of the High Line compared with the 0.1 to 0.4 mile band. Kenyon College
Where?
The High Line, New York, United States. Kenyon College
When?
Study published 2020; related rezoning 2005 (unverified). Kenyon College
Who?
Gained
  • Owners of homes within 0.1 mile of the High Line — Relative value gain of 35.3% (2020 study) Kenyon College
Lost
None on record
Harmed
None on record
Why?
Not established in the sources reviewed; the studies report association, and causation is not established by them.
How?
Measured as the difference in home value gain by distance band from the park. Kenyon College
6 of 6 questions answered from the record

What happened

The record, in order.

A 2020 study published in Landscape and Urban Planning, summarised by Kenyon College, compared housing near New York's High Line. It reported that homes within 0.1 mile of the High Line gained 35.3% more in value than homes in the 0.1 to 0.4 mile band.

A broader literature review of 28 cities in the United States, Canada and Europe (Anguelovski et al., 2022) found that greening was strongly and positively associated with later gentrification in 17 of them. In 8 of those the greening was the leading factor. The High Line is one of the cases in that literature; the review is cited here from the researchers' summary, whose page could not be checked.

The literature on northern cities measures prices, rents, income and education. It does not measure how many people were displaced or where they went, according to the reviewed methods summary (2022).

  1. 2005West Chelsea rezoning approved (reported by CityLand; affordable-housing share unverified, see unknowns)
  2. 2020Study reports a 35.3% extra value gain within 0.1 mile of the High Line

How it looked

What was shown, beside what was recorded.

Shown

    Recorded

    • Homes within 0.1 mile of the High Line gained 35.3% more in value than homes in the 0.1 to 0.4 mile band (2020 study).

    In court and with insurers

    Every proceeding and every insurer decision on record.

    Lawsuits and rulings

    No court case on record. No court has ruled on this case.

    Insurers

    No insurer decision on record.

    What nature saw

    Outcomes measured on the ground, and nature's note.

    Nature's report opens this page. Below: further outcomes measured on the ground.

    Housing value gain near the park
    +35.3%
    Within 0.1 mile versus the 0.1 to 0.4 mile band (2020 study)

    What we don't know

    Undisclosed, unproven, untried: recorded as data.

    Nature

    • Not measured Harm to nature: The record holds no measurement of harm to nature.

    Figures

    • Insufficient Affordable units west chelsea rezoning: Reported by CityLand as 1,195 of 5,557 homes, so unverified.

    Record

    • Not measured How many people were displaced, and where they went, is not measured in the northern-city literature reviewed.
    • Insufficient Reported but not independently verified: CityLand (2005) is cited for the West Chelsea rezoning including 1,195 affordable homes out of 5,557.
    • Insufficient Reported but not independently verified: a secondary account attributes to a High Line founder a 2017 statement that the project had failed on gentrification, and says he later said the words were taken out of context; the original interview could not be checked.
    • None on record Ecological outcomes of the High Line are not assessed in the sources reviewed.

    Did the harm stop?

    Not applicable in the sources reviewed: no harm to nature is recorded for this case.

    Who paid?

    Not established: the sources reviewed measure the price effect and do not record who bore costs or whether anyone was displaced.

    Sources

    Voices on record: — Company or project— Government and regulators— Courts✓ Press and investigations— Communities and civil society✓ Researchers

    Press and investigations

    Connected cases

    Related matters, and cases linked to this one through the same organisations, with the role each played in both.

    Insurance

    Premium
    The price paid for an insurance policy.