I don't like these litters because they has a high dust content when poured. (cat-health-guide.org)
Snow samples have been measured for their elemental carbon (used as a proxy for black carbon) and mineral dust content in order to estimate their impact on snow reflectance. (en.ilmatieteenlaitos.fi)
On arid Mars, where most of the surface is desert - like and the dust content is much higher, the impact is even larger. (sciencedaily.com)