Ash

trees

California ash encompasses several native and naturalized species, most notablywhite ash, black ash, blue ash, and Oregon ash. Accurate california ash tree identification relies...

spirituality

Ash is among the most quietly powerful symbols in spiritual and mythic traditions, representing death and transformation, humility and remnant, and the fertile ground that follo...

engineering

Bottom ash and fly ash are residues from coal combustion and industrial boilers, but they differ in how they form, where they are collected, and how they can be used. This overv...