Overpopulation is one of the causes of our environmental problems. That does not mean that any of the blame lies at the door of individuals. You can lay some of the blame at the door of institutionalised religions and governments which insist on the unending reproductive functions of the female half of the population. And also at the door of political elites and systems which insist upon inequality . What you can't do is pretend that the explosive growth of one particular species will not have a detrimental impact on most other species in the world, with all the attendant ecological consequences. Not if you want to be taken seriously. That is not a call for the culling of human beings. Just a realistic appraisal of the situation. The culling of humanity will, probably, occur in the next few decades, with rising sea levels, floods, fires, droughts, crop failures, disease and resource wars.