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About 3RKH

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The principle of reducing waste, reusing and recycling resources and products is often called the "3R". 3RKH is the Knowledge Hub where information and resources related to implement such activities are;

  • Created, collected and stored for easy retrieval,
  • Shared, enriched and disseminated, and
  • Monitored.


The 3R Initiative was officially launched at the 3R Ministerial Conference hosted by the Government of Japan in April 2005, with an aim to promote global action on 3R. In March 2006, Senior Officials Meeting (SOM) on 3R was organized in Japan resulting in strong commitment of governments and other stakeholders to implement 3R at local, national, and regional level.
The Asian Development Bank (ADB) approved Technical Assistance for Establishment of Regional Knowledge Hubs (RETA 6295) to establish regional knowledge hubs.
During May – July 2006, ADB, Asian Institute of Technology (AIT), UNEP Regional Resource Centre for Asia and the Pacific (UNEP RRC.AP), and United Nations Economic and Social Commission for Asia and the Pacific (UNESCAP) discussed and agreed to begin the establishment of a joint regional knowledge hub on 3R (3RKH) by the support providing from the above technical assistance. In this regard, a Letter of Intent (LoI) on ‘The Establishment of Regional Knowledge Hub on Reduce, Reuse and Recycle (3Rs)’ was signed by each representative among ADB, AIT, UNEP, and UNESCAP on 7 August 2006.

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Ask an Expert

Experts in different areas of waste management can register on the 3RKH website. Their profiles, academic qualifications, areas of expertise and fields of work will be visible to the users. If any user has a query regarding a particular topic under any of themes, he can post a query to the expert who has expertise in that field. The user will post a query and the expert will be notified to answer the same within a specific date and time.

Click here to Ask an Expert.