A major reduction in global deforestation is needed to mitigate climate change and biodiversity loss. Recent private sector commitments aim to eliminate deforestation from a company's operations or supply chain, but they fall short on several fronts. Company pledges vary in the degree to which they include timebound interventions with clear definitions and criteria to achieve verifiable outcomes. Zero-deforestation policies by companies may be insufficient on their own to achieve broader impact due to leakage, lack of transparency and traceability, selective adoption, and smallholder marginalization. Public-private policy mixes are needed to increase the effectiveness of supply-chain initiatives aimed at reducing deforestation. We review current supply-chain initiatives, their effectiveness, the challenges they face, and identify knowledge gaps for complementary public-private policies.
Regenerative agriculture is an alternative means of producing food that, its advocates claim, may have lower-or even net positive-environmental and/or social impacts. Regenerative agriculture has recently received significant attention from producers, retailers, researchers, and consumers, as well as politicians and the mainstream media. Despite widespread interest in regenerative agriculture, no legal or regulatory definition of the term "regenerative agriculture" exists nor has a widely accepted definition emerged in common usage. This paper answers the research question: How have different scholars and practitioners defined regenerative agriculture? We reviewed 229 journal articles and 25 practitioner websites to characterize the term "regenerative agriculture." Our review revealed that there were many definitions and descriptions of regenerative agriculture in usage. These were variously based on processes (e.g., use of cover crops, the integration of livestock, and reducing or eliminating tillage), outcomes (e.g., to improve soil health, to sequester carbon, and to increase biodiversity), or combinations of the two. Process-based definitions may imply that advocates or users of such definitions are open-minded about the possible outcomes of these processes. Similarly, outcome-based definitions may imply that users of such definitions are open-minded about the processes that may lead to those outcomes. We discuss the implications of these different forms of definition for policy, including for certification programs and for payments for carbon sequestration programs. More generally, wide variance in the definitions used may lead to uncertainty about what different actors mean when they talk about regenerative agriculture. We suggest that it may be helpful for individual users of the term "regenerative agriculture" to define it comprehensively for their own purpose and context.
Rapid urbanisation generates risks and opportunities for sustainable development. Urban policy and decision makers are challenged by the complexity of cities as social–ecological–technical systems. Consequently there is an increasing need for collaborative knowledge development that supports a whole-of-system view, and transformational change at multiple scales. Such holistic urban approaches are rare in practice. A co-design process involving researchers, practitioners and other stakeholders, has progressed such an approach in the Australian context, aiming to also contribute to international knowledge development and sharing. This process has generated three outputs: (1) a shared framework to support more systematic knowledge development and use, (2) identification of barriers that create a gap between stated urban goals and actual practice, and (3) identification of strategic focal areas to address this gap. Developing integrated strategies at broader urban scales is seen as the most pressing need. The knowledge framework adopts a systems perspective that incorporates the many urban trade-offs and synergies revealed by a systems view. Broader implications are drawn for policy and decision makers, for researchers and for a shared forward agenda.
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