env_hier

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Organiculture", "orig_topic": "soil organic", "topic": "Organic farming. Organiculture", "prob": 0.6401776075363159, "parents": ["Environmental pollution", "Forest soils", "soil"]}, {"loc_topic": "Sewage collection and disposal systems. Sewerage", "orig_topic": "wastewater", "topic": "Sewage collection and disposal systems. Sewerage", "prob": 0.7426323890686035, "parents": ["Environmental pollution", "Forest soils", "soil"], "children": [{"loc_topic": "Groundwater. Hydrogeology", "orig_topic": "groundwater", "topic": "Groundwater. Hydrogeology", "prob": 0.37150031328201294, "parents": ["Environmental pollution", "Forest soils", "soil", "Sewage collection and disposal systems. Sewerage"]}]}]}]}, {"loc_topic": "Ecology", "orig_topic": "ecosystem", "topic": "Ecology", "prob": 0.39733612537384033, "parents": ["Environmental pollution"], "children": [{"loc_topic": "Geography", "orig_topic": "climate", "topic": "Geography", "prob": 0.6568068861961365, "parents": ["Environmental pollution", "Ecology"]}, {"loc_topic": "Ecology", "orig_topic": "crucial ecosystem", "topic": "crucial ecosystem", "prob": 0.7928881049156189, "parents": ["Environmental pollution", "Ecology"]}, {"loc_topic": "Marine resources. Applied oceanography", "orig_topic": "marine environment", "topic": "Marine resources. Applied oceanography", "prob": 0.5810338258743286, "parents": ["Environmental pollution", "Ecology"]}, {"loc_topic": "Ecology", "orig_topic": "terrestrial ecosystems", "topic": "terrestrial ecosystems", "prob": 0.6445196866989136, "parents": ["Environmental pollution", "Ecology"]}, {"loc_topic": "Waterways", "orig_topic": "wetland", "topic": "Waterways", "prob": 0.7524715662002563, "parents": ["Environmental pollution", "Ecology"]}]}, {"loc_topic": "Renewable energy sources", "orig_topic": "renewable energy", "topic": "Renewable energy sources", "prob": 0.23242580890655518, "parents": ["Environmental pollution"], "children": [{"loc_topic": "Fuel", "orig_topic": "biomass", "topic": "biomass", "prob": 0.9424852132797241, "parents": ["Environmental pollution", "Renewable energy sources"], "children": [{"loc_topic": "Renewable energy sources", "orig_topic": "biofuels", "topic": "biofuels", "prob": 0.7516376972198486, "parents": ["Environmental pollution", "Renewable energy sources", "biomass"], "children": [{"loc_topic": "Food crops", "orig_topic": "bioenergy crops", "topic": "Food crops", "prob": 0.6823639869689941, "parents": ["Environmental pollution", "Renewable energy sources", "biomass", "biofuels"]}]}]}, {"loc_topic": "Renewable energy sources", "orig_topic": "solar energy", "topic": "solar energy", "prob": 0.5150365829467773, "parents": ["Environmental pollution", "Renewable energy sources"]}]}]}