We really need to kick the carbon habit and stop making our energy from burning things. Climate change is also really important. You can wreck one rainforest then move, drain one area of resources and move onto another, but climate change is global.
The more you go on, the less you need people standing between you and the animal and the camera waving their arms about.
The notion of ever more old people needing ever more young people, who in turn will grow old and need ever more young people and so on, ad infinitum, is an obvious ecological Ponzi scheme.