Sure, and I'm not calling it the end times. But things will continue to get worse as carbon accumulates and causes temperatures to rise.
Having a child has and always will be a moral and ethical choice (for those who have a choice) and it should not be taken lightly. But there are different stakes now than before. And we still haven't gotten rid of the looming shadow of nuclear annihilation, we've only added to the ways we can destroy ourselves.