Project archive

Our projects span a wide range of topics, including buildings, business strategy, policy research, publications, software, and sustainability assessment. In addition, we develop our own investment projects, that define the cutting edge of sustainable development.


Recent Projects

Project Archive

1999 2010 2021
Herenboeren Submission.jpg

Expanding Herenboeren internationally towards 80 farms

Jul 2020

Herenboeren International

Herenboeren farms (Gentry Farmers) are a revolutionary model for community owned and managed sustainable farms, developed in the Netherland…

Serenity Farms Frame 02_.jpg

Sustainable food production in arid regions

Jan 2020

Serenity Farms

Serenity Farms is a concept for a sustainable 110ha greenhouse facility for profitable food production in arid climates. The first site is …

ISAI Egypt

Creating food in the Egyptian Desert

Feb 2019

Integrated Sustainable Agriculture Initiative Egypt

The Integrated Sustainable Agriculture Initiative (ISAI) Egypt has been started as a response to the pressing need for both ecosystem resto…


Self sustaining tourism community in Estonia

Jul 2016

Arkna Eco-Park Masterplan

In Rakvere, Estonia, we developed the masterplan for the 671 Ha self-reliant Arkna Eco-Park. The park is built on a historical site tracing…


Launch of Detroit Urban Regen

Dec 2015

Trade mission Detroit

In cooperation with the Dutch Foreign Office we organized the trade mission to Detroit of May 2015 for over 25 organizations. The program …


Feasibility Study and Business Plan

Nov 2015

Polydome Arkna

Will Estonia be the first proud owner of a Polydome sustainable agriculture system in the world? During the second half of 2015 we researc…


Vertical farm & office tower

Apr 2013

Hortus Celestia

The Hortus Celestia concept is a vertical farm tower, designed for Naaldwijk, the Netherlands. The concept tower rises 28 stories high abov…


High Performance Sustainable Polyculture Agriculture

Jan 2011


Polydome is a revolutionary approach to greenhouse agriculture that offers the possibility of commercial scale, net-zero-impact food produc…


Sustainable Greenhouse Industry Area Development (2010)

Aug 2009

Portal to Venlo

The Portal to Venlo offers the greenhouse industry in the east of the Netherlands a model to develop a sustainable industry. The project re…