Board Thread:Speculation House/@comment-24267097-20150326031823/@comment-25857155-20150328110206

Using Materia did not drain the planet's life energy, using Mako did, if I remember correctly - hence the operation to destroy the mako reactor.

Wood is renewable, because new trees can be planted.

I like the idea of Dust being formed by the crystallization of Remnant's life force. Like, growing from the combined Aura of the planet, sort of, you get me? Though, mana crystals is a decent second.