Advancing Circular Economy & Sustainability Knowledge

Building Knowledge for a Regenerative Future

Planet Kazai exists to support informed decision-making in sustainability. We curate, explain, and contextualize key concepts such as circular economy business models, greenhouse gas accounting, life cycle analysis, and sustainability frameworks — making them accessible to businesses, institutions, and individuals.

Core Focus Areas

Exploring the systems, tools, and frameworks shaping a circular and sustainable future.

Circular Economy

Understanding systems that eliminate waste, keep materials in use, and regenerate natural systems.

Sectors

Applying sustainability and circular economy principles across key economic sectors.

Business Models

Exploring practical models that enable circularity and long-term value creation.

Climate & Sustainability Tools

Greenhouse gas accounting, life cycle analysis, and global sustainability frameworks.

Why Planet Kazai

Why Knowledge Matters

  • Evidence-based sustainability insights

  • Neutral, framework-driven explanations

  • Practical relevance across industries

  • Global context with local applicability

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Our Stories

Why Circular Economy Fails Without Business Model Innovation

Why Circular Economy Fails Without Business Model Innovation

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Life Cycle Thinking: The Missing Link in Sustainability Strategies

Life Cycle Thinking: The Missing Link in Sustainability Strategies

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From Carbon Numbers to Better Decisions: Making GHG Accounting Useful

From Carbon Numbers to Better Decisions: Making GHG Accounting Useful

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Explore articles, explainers, and guides on circular economy, climate accounting, and sustainability frameworks.

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Stay Informed. Think in Systems.