The journal Revista Internacional de Contaminación Ambiental is edited four times a year and its publication is currently sponsored by Universidad Autónoma de Tlaxcala, Universidad Veracruzana, Programa Universitario del Medio Ambiente, and Centro de Ciencias de la Atmósfera of Universidad Nacional Autónoma de México (UNAM). The journal accepts for publication original papers and review articles on physical and chemical contaminants, their distribution and their biological and ecological effects; new technologies for their measurement and control, and also sociologic, legal, and economic studies on these same subjects.