In one broad, brazen stroke of his hand, man will have irretrievably broken the plant - to - seed - to - plant - to - seed - cycle, THE cycle that supports most life on the planet.
(THE cycle; supports; most life) (man; will have irretrievably broken; the plant - to - seed - to - plant - to - seed - cycle; L:In one broad)
THE cycle man
supports will have irretrievably broken
most life
the plant - to - seed - to - plant - to - seed - cycle L:In one broad