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adelphi is a leading think tank for policy analysis and strategy consulting. We offer creative solutions and services on global environment and development challenges for policy, business and civil society communities. Our projects contribute to sustaining natural life systems and fostering sustainable enterprises. adelphi´s clients include international organisations, governments, public institutions, corporations and associations.

We bring together scientific and technical expertise with analytical and strategic competence, practical application and constructive problem solving. Our integrated approach combines research, consulting and dialogue on six main topic areas. International and interdisciplinary project teams contribute worldwide to a common future – working in different cultures and languages.

In the last ten years adelphi realised more than 400 projects for 100 clients, offering professional and strategic support to crucial environment and development policies and processes. Sustainability is the foundation and leitmotiv of our internal and external conduct. All our activities are climate-neutral and we apply a certified environmental management system.


Caspar-Theyss-Str. 14a
14193 Berlin


Phone: +49-30-89 000 68-0
Fax: +49-30-89 000 68-10

email: office(@)


  • Research
  • Coordination

Focus of Research:

  • Business and Finance
  • Climate and Energy
  • Development and Security
  • Politics and Economics
  • Resources and Governance
  • Technology and Innovation

Coordinated projects