Explanation of diagram

Comment on this pageHow to understand the key

We have illustrated the condition of different topics using a diagram, placing each environmental topic on a spectrum from red to green which represents our current (2011) understanding of its state. The arrow represents the direction and extent of the potential change expected over the next 15 years.

We have defined both the position on the spectrum and the trend using judgement, based on available information. For some topics there is a good body of evidence to support the assessments, other topics rely more on expert judgement.

We aim to progressively improve the robustness of this process over the next year, including holding a wider consultation on the outputs.

Example of how to interpret a spectrum diagram

The example above illustrates a part of the environment that is currently amber, but in 15 years’ time will have improved to green.

Example of how to interpret a spectrum diagram

The example above illustrates a part of the environment which is currently amber and we do not believe there is a trend.