As a hypothetical, say it became easy to grab water from objects in space and then move it places that needed (Africa / the gulf). What would the end results be for the global climate over time? Would you just end up with a flooded earth? Would temperatures rise or fall as time goes on?
Enough water to overcome the surface tension that keeps it from spilling off the edge of the planet.
Ain’t no planet X comin’ since ain’t no space 'cause ain’t not globe earth.