sustainable development environment environment protection pakistan recycled water energy liquid waste sanitation biological health bioenvironmental management ecology sewage preventive health energy from waste pathogen eradication biological amelioration pest control disease control methanation contamination prevention soil amendment liquid and solid waste wastewater pathogens waterborne diseases sewage treatment poverty environment sustainable development agricu humanity sustainable agriculture agriculture horticulture parenttoolbox springs water hyats architecture history mughals gardens global warming sardar taimur hyat-khan biodegradable solid waste bacteria disaster emergency raped erection super insulated disaster proof low-cost clean development mechanism odor free methane water recycling bioenvironment green house gas emission disaster proofing virus and pathogen eradication disease eradication; polio virus control; climate change pollution control alternate energy
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