The importance of human life should be universally respected - and that refers to children before they are born and after. All children have the right to be brought up in a loving two-parent family where the notion of divorce is not even possible.
The Biblical world view sees Earth and its ecosystems as the effect of a wise God's creation and... therefore robust, resilient, and self-regulating, like the product of any good engineer.
If Britain was to close down altogether overnight, then China would take up the slack of carbon emissions in two years. If America closed down, just the growth in China's emissions would replace America's emissions in 12 years.