Stiftung Unternehmen Wald
Hamburg, Hamburg, Germany · Nonprofit · National · since 2006
Hamburg foundation funding climate-stable mixed-forest planting on bark-beetle damaged land across Germany
About
Stiftung Unternehmen Wald is a charitable civil-law foundation established in Hamburg in 2006 by Rüdiger Kruse that uses tree donations and corporate sponsorship to fund the replanting of storm- and bark-beetle-damaged forest and the conversion of conifer monocultures into species-rich native mixed forest, working with forest owners in the Harz, Schleswig-Holstein, North Rhine-Westphalia, Hesse, Hamburg and Baden-Württemberg. It reports more than 2 million trees planted in Germany since its founding (as of 2026), with recent seasons including 22,600 trees at the Granetalsperre near Goslar (2026), 10,000 at Ennepetal (spring 2025) and over 41,000 in Herzogtum Lauenburg (2023/24); it also supports small fruit-tree and agroforestry plantings in Nepal, Nigeria and Brazil, flower meadows and a Streuobstwiese. In 2025 it bought a nine-hectare forest at Hanstedt south of Hamburg. Staffing is shared with the Schutzgemeinschaft Deutscher Wald, Landesverband Hamburg.
What they run
Donor-funded planting of native broadleaves and some conifers on damaged forest land in the Harz, NRW (Ennepetal), Hamburg, Schleswig-Holstein, Hesse and around Freiburg; completed projects are documented per season.
Fruit- and food-tree plantings with local partners, e.g. 7,250 trees in Dhading (Nepal), a school tree nursery in Awka (Nigeria) and 2,000 seedlings of food forest on two hectares in Minas Gerais (Brazil) in December 2025.
Trees by type of work
| Activity | Trees | Years |
|---|---|---|
| 🌲 Reforestation | 142,500 | 2024–2025 |
Only figures attached to a named program count here. Organization-wide totals sit in the table below.
The numbers
| Metric | Year | Value | Program | Confidence | Source |
|---|---|---|---|---|---|
| Funds raised (USD) | 2024 | 661,000 | Organization-wide | Estimated | sourceFinanzbericht 2024: 'Einnahmen 2024: 611.892,44 EUR', 'Ausgaben 2024: 816.414,82 EUR' (calendar year; planting season Nov-Apr so costs only partly included). Converted at approx. 1.08 USD/EUR (2024 average). |
| Trees plantedto date | 2026 | 2,000,000 | Organization-wide | Self-reported | source'Über die Stiftung' page: 'Seit der Gründung wurden mehr als 2 Millionen Bäume in Deutschland gepflanzt (Stand 2026)'. |
| Trees planted | 2024 | 105,000 | Baumspende / Pflanzprojekte Deutschland | Estimated | sourcePlanting season 2023/24 (Nov 2023-Apr 2024), my sum of the per-project minimums on the projects page: Celle >14,000 + Herzogtum Lauenburg >41,000 + Ennepetal 20,000 + Harz Granetalsperre >30,000 = at least 105,000 trees. Minimum because several entries say 'mehr als'. |
| Trees planted | 2025 | 37,500 | Baumspende / Pflanzprojekte Deutschland | Estimated | sourcePlanting season 2024/25, my sum of stated per-project counts: Grünhof >6,000 + Ennepetal 10,000 + Harz Goslar >15,000 + Schallstadt ~6,500 = at least 37,500 trees (drone-seeded 3 ha in the Harz excluded; Jahresbericht 2025 p.4 confirms 10,000 trees at Ennepetal in spring 2025). |
How they report
What earned it
- 10/20 Publishes annual tree figures: 2 years of annual figures on record (5 points each, up to 4 years)
- 15/15 Figures are recent: Latest annual figure is for 2025
- 10/10 Every figure has a public source: 4 of 4 figures link to a source
- 15/15 Publishes financials or cost per tree: Revenue or cost-per-tree figure on record
- 0/15 Reports survival or monitoring: No survival or monitoring figure
- 0/10 Independently verified figure: All figures are the organization's own
- 10/10 Breaks figures down by program: Figures attached to named programs
- 0/5 Reports volunteers or events: No volunteer figures or events
- Latest annual figure
- 37,500 trees in 2025 (-64% on the year before)
- Dollars raised per tree
- $6.30 in 2024
- Compare
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