The when and where and how of that first domino to fall is unknown or where in will fall or lead us to but it will surly fall.
Nothing else can happen.
How many fish can you put it that aquarium without it being to full.
All manor of contaminants beginning to occur.
The food and the water and the air and the crowding.
The light and disease obscure.
Meaning and purpose lost to the distortions brought on by mankinds stimulant consumption that unknowingly got us to here.