Photopeople; Coming of the Greenbacks.

Changing how humans on the earth might become less overpopulating and more in balance with their environment is the thrust of this story.
Survival of people requires a change in human thinking and living patterns that have endangered the earths resources as climate change stressed and altered the human future. Since human over reproduction resulted in huge energy demands as well as food production declines, what can change this tailspin of humans living out of balance with the carrying capacity of the earth?
All of humanity seems in danger as people want more of everything, much more than the earth can furnish in food, living space and energy. As the earth heats up year by year with higher temperatures, what can stop the harmful ideas cemented in human thinking? Will genetic engineers save humanity?