| Summary: | The aim of this study was to identify potential factors related to weather changes and their impact on the coal waste spoil heap. Risk analyses were performed for selected sites using an “if–then” method for the construction of future scenarios, and a risk evaluation matrix for each predicted scenario was determined. The results showed that some of the factors may be ambiguous. For instance, more intense rainfall may cool the material in the heap and reduce the fire risk. On the other hand, it can lead to surface erosion and oxygen access to the material, which may increase the fire risk.
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