Will The Sky Still Be Blue

Will the sky still be blue When the last fern stands alone In a concrete world so grey When steel pillars hide the light of day And nature has shed its last clue Will the sky above stay blue When the last butterfly is bereft of flutter With no lily to land on But perhaps will settle for a gutter And stick to it like glue Will our sky keep its aqua blue When the last river runs black With oil like sticky tar Seeping into every stones crack Like a thick broth of ash stew Will my sky hold it's mystic blue When the crystal heights shine like smoke Above an empire of lost dreams Granting green it's one last hope To natures forgotten few