I came across a very useful infographic relating to the current sand mining situation (Fig.1).

It had been shared on Twitter by Sand Stories (Fig. 2), who have previously promoted my work.

It seems to be a thoroughly researched piece and I will be using some of the detail in my next talk at tonight’s show for Harena Now.
Figures
Figure 1: KOCH, Heicho. Trademachines [online]. Available at: http://trademachines.com/info/sand/ [accessed July 26, 2018].
Figure 2: Sand Stories Twitter [online]. Available at: https://twitter.com/sand_stories/status/1019643301161562115?s=11 [accessed July 26, 2018]