Humans and green slime will be future of earth (Score 1)

Until or unless the earth is hit by a meteorite or volcanic action causes an ice age - The future of life on planet earth will consist of humans and ponds (lakes) of green slime used as a food source. That's it. We will grow our population to the point where all "biologically-available" carbon atoms will reside in two species of life: Humans, and our food source. All other life, and the land and energy and ecosystems that they require, will be eliminated to support the expansion of the human population. We are doing it today on a scale that is on the virge of wiping out many of the higher order species. Over time all of the rest of them will follow. The earth will resemble a mechanical structure that looks more like the death star from star wars as we cover the planet with habitation cubicals, and lakes of green slime where we recycle our dead bodies and consume the calories and nutrients of the slime. Since we are unable to biologically synthesize our own food, only the most space and energy-efficient species that will be our food source will share the planet with us. That will most likely be a photosynthetic green slime. We will reach that point because we will continue on our current path of harvesting just one more animal species for food, cut down just one more forest for space and to build homes with. Just one more - it can't hurt right? The earth will tolerate it - right? We have no ability or desire or control to reduce our population growth, and we will ultimately use all available space and energy to cover the last square foot of available space, the last calorie or kg of supportable biomass will be contained in either the body of a human or our companion food species.