By combining the various models together it may be possible to constrict a roadmap towards sustainability and maybe a reversal of global warming as well. Hence the rainforest biosphere, and protist symbiotic association provide sustainability models that may be combined holistically. Each carbon neutral domain or autonomous zone, consisting of an autotrophic centre (city or nucleus) containing organelles where manufacturing and recycling is dominant, and is sustained by solar energy from the autotrophic “symbionts” that comprise adjacent rural areas. When enough hydrogen and algal derived fuels are available, then only a maximum of one half the carbon of agricultural waste could be fixed as char. Each city could have a manufacturing speciality, be it clothes, textiles, machinery, glass making etc. Unwanted, but sorted, waste materials, as they accumulate, are farmed out to cities that could make use of that specific material. Waste derived raw materials should be used FIRST for industry, before cheap imports from far away places are bought, both to save energy and jobs. Some kind of industrial information processing unit, would be necessary to make sure supply & demand of specific recycled waste types are implemented. However, it is the “kudzu" lunar module model that may have the greatest potential. 100 years from now the moon could be covered by a greenhouse, as could Mars! Applying this terraforming idea to the Sahara, Sahel, Gobi etc. and other dry wastelands could be “greened”& freed from famine. These extreme solutions might be necessary to stop the ongoing polar ice melting. 
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