question for human pollution skeptics, page-4

  1. 29,491 Posts.
    lightbulb Created with Sketch. 33
    Everything can be a poison/pollutant if levels are high enoght.

    What evidence and what source would it have to come from, for you to acknowledge that human produced CO2 could be a pollutant?
 
arrow-down-2 Created with Sketch. arrow-down-2 Created with Sketch.