<?xml version="1.0" encoding="utf-8"?><!DOCTYPE Zthes SYSTEM "http://zthes.z3950.org/schema/zthes-1.0.dtd">  <Zthes><term><termId>5444</termId><termName>LUCHA CONTRA LA CONTAMINACION; INGENIERA AMBIENTAL</termName><termType>PT</termType><termLanguage>es</termLanguage><termVocabulary>Vocabulario Latinoamericano de Ciencias Sociales</termVocabulary>	<termStatus>active</termStatus>	<termApproval>approved</termApproval><termCreatedDate>2012-03-27 13:29:46</termCreatedDate><relation><relationType>BT</relationType><termId>5435</termId><termName>MEDIO AMBIENTE; RECURSOS NATURALES</termName><termType>TT</termType></relation><relation><relationType>NT</relationType><termId>2906</termId><termName>PROTECCION CONTRA LA RADIACION</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4335</termId><termName>SANEAMIENTO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4448</termId><termName>SERVICIOS DE SANEAMIENTO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3792</termId><termName>ELIMINACION DE DESPERDICIOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4429</termId><termName>LUCHA CONTRA LA EROSION</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4430</termId><termName>LUCHA CONTRA INCENDIOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4431</termId><termName>LUCHA CONTRA LAS INUNDACIONES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3013</termId><termName>CONTROL DE PLAGAS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3899</termId><termName>LUCHA CONTRA LA CONTAMINACION</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>2077</termId><termName>SEGURIDAD</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4460</termId><termName>CONTROL METEOROLOGICO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>1533</termId><termName>POLITICA AMBIENTAL</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4441</termId><termName>LUCHA CONTRA EL RUIDO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4456</termId><termName>PRINCIPIO CONTAMINADOR-PAGADOR</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4457</termId><termName>SISTEMAS DE ALARMA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4455</termId><termName>DESCONTAMINACION</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3664</termId><termName>ADMINISTRACION DE DESPERDICIOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4985</termId><termName>TRATAMIENTO DE DESPERDICIOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4986</termId><termName>UTILIZACION DE DESPERDICIOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4379</termId><termName>INGENIERIA AMBIENTAL</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>3672</termId><termName>GESTION AMBIENTAL</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4452</termId><termName>VERTIDO DE DESECHOS EN EL MAR</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4474</termId><termName>RECICLAJE DE DESPERDICIOS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4418</termId><termName>INDEMNIZACION</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4984</termId><termName>INDICES DE CONTAMINACION</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>1150</termId><termName>ECONOMIA AMBIENTAL</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4419</termId><termName>PREVENCION DE DESASTRES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4336</termId><termName>INSTALACIONES SANITARIAS</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4377</termId><termName>ESTUDIOS SOBRE EL MEDIO AMBIENTE</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>295</termId><termName>SEGURIDAD NUCLEAR</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4376</termId><termName>ESTADISTICAS AMBIENTALES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>2905</termId><termName>DESCONTAMINACION RADIACTIVA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>940</termId><termName>PLANIFICACION AMBIENTAL</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5297</termId><termName>RETRETES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>5032</termId><termName>REUTILIZACION DEL AGUA</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4454</termId><termName>CONTROL BIOLOGICO</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>2666</termId><termName>CONTROL DE EMISION DE GASES</termName><termType>PT</termType></relation><relation><relationType>NT</relationType><termId>4378</termId><termName>EVALUACION DEL MEDIO AMBIENTE</termName><termType>PT</termType></relation></term>  </Zthes>