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What’s About Earth Network? or About US or Who is Earth Network

Earth Network is international environmental NPO registered to the Japanese government since November 2002. (the date of foundation: January 1, 1994)
Earth Network consists of professional and non-professional members with a variety of talents, skills and backgrounds including chemists, dyers, painters, teachers, architects, government employees, graphic ,web or industrial designers and others.
With these human resources, we hope to contribute to a better future human life using natural colours.

The main activities of Earth Network are:

– to carry out R&D on 100% natural pigments, dyes and solvents utilising many types of materials, such as plants, clays, minerals, insects and shellfish.
– to hold workshops nationwide in order to create teaching materials and spread skill and information to the public.
– to exchange information through international networks and preserve the dyeing traditions which have been handed down in Japan and many other cultures around the world.
– to deal in our products and dispatch our staff all aver the world.

Our goal and hope is for more and more people to become aware of the natural colours and materials and the beauty and wonder of nature that comes from them

Organisation overview

Name: NPO Earth Network
Board member : Hisako.S(President), Takahisa.Y(Vice-president)
Established: January 1, 1994
Corporate certification: October 15, 2002,
Corporate establishment: November 1, 2002
Location: 1-10-28, Kojiyahonchyo, Adachi-ku, Tokyo 121-0832, Japan
Membership: 45 (individuals: 39, solo proprietors: 2, corporations: 3)

Introduction of main enterprise

・Distribution survey, conservation, cultivation and distribution of dye plants
・Scientific research and research on natural dyes and pigments
・Dyeing using natural dyes and pigments, painting, painting technology and fastness research, technology development, testing
・Exchange, collaboration, information dissemination, etc. with domestic and
overseas researchers, engineers, and creators

Main Activities Overview

1996-2003 “Environmentally friendly Plant Dyeing Workshop”, Hokkaido, Tokyo, Fukuoka
1997 1st Environmentally Friendly Plant Dyeing Conference (Sapporo, Asahikawa), Co-sponsored by The Nippon Foundation
1998 2nd Environmentally Friendly Plant Dyeing Conference (Sapporo,
Asahikawa), Co-sponsored by Hokkaido Arts Foundation
2000 3rd Environmentally Friendly Plant Dyeing Conference (Takasaki, Tokushima, Hiroshima, Sapporo)
2000 “Natural Color Exhibition” held, OKHRA, Roussillon, France
2001-2003 “Natural Dyes and Pigments Considering the Environment-Paints and Paints Exhibition” held (Hokkaido, Tokyo, Yamaguchi, Fukuoka) Japan Fund for Global Environment Grant Program
2002 4th Environmentally Friendly Plant Dyeing Conference (Tokyo)
2006 International Natural Dye Symposium by UNESCO & The Crafts Council of India, oral presentation, Hyderabad, India.
2008 Dye Medicinal Plant Forum, Otaru, Sapporo, Tobetsu, Nayoro
2009 “Natural Dyes and Textiles as Sustainable Resources Considering Biodiversity” Held, Tokyo
Published by Dye Medicinal Plant Journal
2011 ” International Symposium & Exhibition on Natural Dyes 2011, Europe”, La Rochelle, France, Exhibition / Trade Fair / Poster Session
2012 “ISEND & WEFT 2012 Kuching, Malaysia”, research presentation, demonstration
2012 “Natural Color Exhibition 2012” Miyagi Museum of Art, Sendai
2012-2018 Research and dissemination of Ryukyu indigo microorganisms and fermented vat (Motobu, Okinawa)
2012-Survey, cultivation, dyeing technique research and dissemination activities for Rubia akane and Lithospermum erythrorhizon(Murasaki)
2015 Regular meeting held (Tokyo, Sapporo)
With the renewal of the website in 2016, the research and materials since its establishment have been archived.
2017 Workshop “Washi dyeing”, “Raw purple root dyeing”, Sapporo, Tokyo, Fukuoka
2018-2020 International Natural Color Exhibition and Workshop (Hokkaido),
Co-sponsored by Hokkaido Arts Foundation, In the steps of Antoine Janot (Fance)
2021 Natural dyeing notebook series 2021 revised and published.
1st Rubiaceae, 2nd Boraginaceae , 3rd Yellow Dye-plants,
4th Brown / Grey Dye-plants , 5th Indigo and Fermented plant dyes

Reference materials

2006UNESCO International Natural Dye Symposium:overview

2006UNESCO International Natural Dye Symposium:Presentation

2009-2016earth network_report_en

2009Dyes & Medicinal Plants and Natural Fibre Exhibition:overview

2011ISEND poster-session-Journal of Dye&Medicinal Plants-abstract

2011ISEND_report_en

2011ISEND&2012ISEND-WEFT-Natural Color Exhibition2012MIYAGI

2012ISEND&WEFT:Japanese Red and Blue_summery

2012ISEND&WEFT:presentation

2020Indigo plants cultivated and grown naturally in Japan and their indigo dyes

2021Natural Dyeing Note2021No.1-5cover&samples

・2018-2019 Co-production workshop with Natural dyes and pigments

・2020 Natural Dyes Workshops report on our official page in YouTube

・2020 Natural Color Exhibition in Sapporo

For inquiries and application for membership to the NPO Earth Network.

The Earth Network promotes research, conservation and cultivation of endangered species and rare dye plants, research on natural dyes and pigments, and how to make and use materials, and promotes safe materials.
Member benefits, available content and support.

1. Providing information, logging in to member content on the homepage / assigning a password (files can be downloaded)
2. Information exchange and public relations: Member mailing list, use of members gallery and link to web, sole proprietorship member and corporate member, banner posting and link to web
3. Technical training, regular meetings, joint research, participation in domestic and international symposiums and exhibitions, provision of information
4. Priority discount purchase of dyes, texts and books

Admission fee : Individual, Sole proprietor, Corporate member: ¥10,000, Student: ¥5,000

Annual fee (fiscal yearJanuary – December)
Individual member : ¥10,000
Sole proprietor member : ¥20,000
Corporate member : ¥30,000
Student : ¥5,000

How to join
1. Apply from the mail form
2. Send the membership application form
3. Submission of membership application form
4. Admission fee, annual membership fee transfer
5. Mailing list registration, login ID for member content, password transmission
6. Confirmation of mailing list transmission / reception enrolment completed

How to withdraw (executed at the end of the year)
1. Send an email to the secretariat requesting withdrawal
2. Fill out the withdrawal application form-Send-Confirm receipt
3. Cancellation of mailing list ~ completion of withdrawal

Contact information
TEL: +81 134 25 1470 Click here for inquiries by email form

Tokyo office
1-10-28 Kojiyahoncho, Adachi-ku, Tokyo 121-0832

Natural Dye Research Laboratory
2-3-9 Matsugae, Otaru, Hokkaido 047-0022 Japan