Soil Pollutants, RadioactiveSoil PollutantsSoilSoil MicrobiologyAir PollutantsEnvironmental PollutantsWater PollutantsWater Pollutants, ChemicalNitrogen DioxideOzoneAir PollutionToxicity TestsEnvironmental MonitoringSulfur DioxideParticulate MatterEnvironmental ExposureBiodegradation, EnvironmentalVehicle EmissionsHydrocarbons, ChlorinatedPolychlorinated BiphenylsToxicity Tests, AcutePolycyclic Hydrocarbons, AromaticMetals, HeavyEnvironmental PollutionOrganic ChemicalsParticle SizeAir Pollution, IndoorTreesEcosystemEpidemiological MonitoringAir Pollutants, OccupationalRNA, Ribosomal, 16SBacteriaOxidants, PhotochemicalBenzeneAgricultureUnited States Environmental Protection AgencyPlant RootsFertilizersCitiesInhalation ExposureDose-Response Relationship, DrugBiomassCarbonDNA, RibosomalRespiratory Tract DiseasesEnvironmental RemediationHazardous SubstancesAtmosphere Exposure ChambersPesticidesPhylogenyHexachlorobenzeneSeasonsCarbon MonoxideAcid RainDioxinsLethal Dose 50AcroleinSequence Analysis, DNAGasesIndustrial WasteDNA, BacterialNitrogenTime FactorsPetroleumCadmiumSulfur OxidesPentachlorophenolWeatherMolecular Sequence DataAir MovementsMaternal ExposureDichlorodiphenyl DichloroethyleneHumic SubstancesAntineoplastic Combined Chemotherapy ProtocolsUrban HealthHazardous WasteFungiEnvironmental HealthNitrogen CompoundsToxicity Tests, ChronicDrug Administration ScheduleFood ContaminationNitrogen OxidesNitric AcidTetrachlorodibenzodioxinHydrocarbons, HalogenatedWaterInsecticidesPolycyclic CompoundsAntineoplastic AgentsHalogenated Diphenyl EthersMeteorological ConceptsPesticide ResiduesBiodiversityVolatilizationHydrocarbonsSmog