Siddharth Prakash
Siddharth Prakash
Siddharth Prakash

Siddharth Prakash

Senior Researcher / Head of Subdivision Circular Economy & Global Value Chains
Sustainable Products & Material Flows

Special Expertise

Main areas of research:

  • Sustainable products and consumption
  • Resource and waste management
  • International cooperation and development policy


  • Circular economy, obsolescence, product longevity and repairs
  • Eco-design, ecolabeling and sustainable public procurement
  • Information and communication technologies (ICT)
  • Social and environmental standards in global value chains


  • Product Sustainability Assessment (PROSA)
  • Social Life Cycle Assessment (s-LCA)
  • Life Cycle Sustainability Assessment

Key Projects

International cooperation and development policy

Sustainable consumption

  • Sustainable approaches to reducing plastic packaging in Asia (Thailand, Malaysia & Indonesia)
  • Transforming production and consumption patterns by strengthening ecolabeling and green public procurement in five Asian countries (Cambodia, Lao PDR, Bhutan, Vietnam, Myanmar) 
  • Methodological challenges for ecolabels in the Global Ecolabelling Network – evaluation and traceability of critical raw materials and determination of quantitative environmental relief potentials
  • Implementation of innovative incentive mechanisms to promote climate-friendly products and services in ASEAN (Thailand, Malaysia, Indonesia & Philippines)
  • Promoting environmental-friendly services in ASEAN taking the example of Germany’s environmental standards, such as the Blue Angel label (Thailand & Malaysia)
  • Blue Angel – national eco-label with international impact – further development of internationalisation strategy and cooperation with other Type I eco-labels (Thailand & China)
  • Promoting Sustainable Consumption and Production (SCP) for a low-carbon economy in ASEAN (Thailand, Malaysia, Indonesia & Philippines)
  • Sustainable Consumption and Production for Low Carbon Economy – Low Emission Public Procurement and Eco-Labelling (SCP4LCE) – Advisory Services on Eco-Labelling in Thailand and the ASEAN region (Thailand, Malaysia, Indonesia & Philippines)
  • Strengthening the international use of the Blue Angel as a climate protection label – project under the National Climate Protection Initiative (India, Turkey, United Kingdom)
  • Certification of low-carbon product groups in China and Germany

Resource and waste management

  • Marine litter and microplastics: Promoting the environmentally sound management of plastic wastes and achieving the prevention and minimization of the generation of plastic wastes
  • Indo-German financial cooperation – scoping assignment solid waste management, commissioned by the KfW-Bank
  • Concepts for sustainable solid waste management, commissioned by the Federal Ministry of Economic Cooperation and Development (BMZ)
  • Technical support of KfW in the management of the FC project "Environmentally sound management of e-waste in Ghana"
  • E-waste Ghana Lot 3: Enhancing capacities of informal sector stakeholders & payment system for e-waste, commissioned by the GIZ
  • Ghanaian-German Financial Cooperation (FC): Sound disposal and recycling of electrical and electronic equipment – Feasibility Study for the preparation of a new FC project, commissioned by the KfW-Bank
  • E-waste Africa Project (UNEP)
  • Informal e-waste management in Lagos, Nigeria – socio-economic impacts and feasibility of international recycling co-operations
  • Socio-economic assessment and feasibility study on sustainable e-waste management in Ghana

Policy Concepts and Instruments in the Field of Sustainable Consumption in Europe

Circular Economy and Obsolescence

Ecodesign, ecolabel, sustainable public procurement (SPP)

Information and communication technologies

Membership of committees and boards

Professional Training and Career

  • Since 2022: Head of Circular Economy & Global Value Chains Subdivision
  • Since 2008: Researcher at Öko-Institut, Sustainable Products & Material Flows Division
  • 2006: Post-Graduate Studies in “Rural Development” at the Centre for Advanced Training in Rural Development, Humboldt-Universität Berlin
  • 2005: Research Associate at Silviculture Institute, University of Freiburg
  • 2003-2006: Freelance Consultant for Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ), Tropenbos International, The Netherlands, and InWEnt gGmbH, Bonn
  • 2002-2005: Master of Science in Sustainable Forestry and Land Use Management, University of Freiburg
  • 1999-2002: Bachelor of Science in International Forest Ecosystem Management, University of Applied Sciences Eberswalde

Language Skills

English and Hindi (mother tongues), German, French