The outcome of the COP26 suggests a striking lack of structured evidence assessment and decision-making processes in the existing literature on climate change. This lack of structure and process has major implications for policy making and it is of general and cross-disciplinary interest. Our review of systematic reviews in climate change has revealed that authors are unaware of structured approaches to assessing the certainty of a body of evidence and there is no structured way employed for making decisions.
This article describes a proposal focused on using the GRADE approach for this type of evidence and related decision-making. The GRADE approach has been used successfully in 1,000’s of public health, clinical and policy recommendations. It is currently the standard for many health organizations around the world, including the World Health Organization.
In brief, GRADE is a structured and transparent way to summarize the available evidence, rate its certainty and move from evidence to action. We believe that our proposal to adopt GRADE has the potential for important impact on this critical field of research and evidence-informed decision making.
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