Product lifetimes and product design

  • The lifetimes of textiles
  • The lifetimes of electrical and electronic equipment
  • The lifetimes of vehicles
  • The lifetimes of buildings
  • Product lifetimes in a historical perspective
  • Cascading products and materials
  • Modular design
  • Life cycle assessment
  • Lifetime prediction and lifetime prognostics
  • Repurposing of products and components


  • Planned and unplanned obsolescence
  • Psychological obsolescence
  • Fashion & obsolescence
  • Software obsolescence
  • Repair and obsolescence
  • Product design & obsolescence
  • Batteries & obsolescence

Circular Economy and circularity in business

  • Historical examples for circular economy
  • Circular Economy and globalization
  • Consumers in the Circular Economy
  • Rebound effects of the Circular Economy
  • The role of cooperation and transparency in value chains
  • Local, regional, global value circles
  • Transition to circular business models
  • Cultural change in organisations towards circularity

Sustainable consumption

  • Consumer psychology
  • Sufficiency in product consumption
  • From fast fashion to slow fashion
  • The role of lifetime labelling
  • Product attachment
  • Consumer product relations
  • Individualisation and lifestyles
  • Consumer practices leading to short and long use-times
  • Awareness for longevity
  • Product hibernation, from end-of-use to end-of-life
  • The product lifetimes and energy efficiency trade-off

Sharing economy and collaborative consumption

  • Product sharing communities
  • Long lasting products as commons
  • The meaning of owning
  • The role of social networks
  • The sharing economy and product lifetimes
  • End-of-life of shared products

Repair, DIY and maker communities

  • The empowerment of consumers
  • Fostering competences and creativity in DIY communities
  • Grassroots innovation for sustainable production
  • Enhance interconnectedness between DIY communities
  • Open knowledge, open design, open data, open source
  • Living labs and open spaces
  • Cultures & communities of repair
  • Repair and 3d printing
  • Quantifying the environmental impact of repair
  • IT platforms to support repair

Policy, regulation and legislation

  • The European Green Deal and product lifetimes
  • Policies for the circular economy
  • Policies to regulate lifetimes
  • How to design an architecture of responsibility
  • Global challenges and national solutions
  • Role of lobbying from corporations and civil society
  • Reuse and transfrontier movement of products
  • Waste & End-of-Waste

Digitalisation and product lifetimes

  • Smart technologies and smart products
  • The Internet of Things and product lifetimes
  • Data intelligence in business model and product design
  • Digital social innovation for longer lasting products
  • Data security, data privacy
  • Product monitoring – Consumer observation and manipulation in a surveillance economy?

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