Calm down with the hyperbole. Catastrophic weather events, my lord.

Concern for the planet and climate is a worthy cause and ought not to be discredited by obvious nonsense like this. Extreme reactionary climate conservatism is ultimately self-defeating, much like it's less sexy social conservatism cousin.

Sea floor mining will happen at 200m - 6500m deep. The recently granted exploration license for the Clarion-Clipperton zone is at 4000-5500m deep. There's very little life that deep, and certainly no sunlight to get absorbed by murkier water.