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  • More on the Solar Water Heater Made of PET Bottles

    Tuesday, October 9th, 2007

    One of the most popular recent posts here on The Temas Blog has been the one about the inexpensive solar water heater being built around Paraná state out of used PET bottles and aseptic packaging (tetrabrik). For reasons I can’t quite work out, it has proven particularly popular in Asia…
    Given the level of interest, […]


    Temas Reading List: Wastes

    Sunday, June 10th, 2007

    Nonna, Dr. Silvia.  Guía de la Regulación Normativa Provincial Argentina Sobre Residuos Peligrosos.  Published by the Colegio de Abogados de San Isidro.  Spanish.  2002.  Contact:
    This little-known book is probably the best guide to Argentina’s complex weave of provincial laws and regulations on hazardous wastes.  For years the head of Argentina’s Hazardous Waste Registry, Dr. […]


    Mexico: Feds Issue Guidance on Municipal Composting

    Monday, March 12th, 2007

    Recently Mexico’s Environment Secretariat (SEMARNAT) announced with great fanfare the release of a “manual” on municipal composting. This “manual” actually was co-produced last autumn by SEMARNAT’s National Ecology Institute (INE) and the German technical cooperation agency, Deutsche Gesellschaft für Technische Zusammenarbeit (GTZ) GmbH.
    What was interesting was not so much the so-called manual itself, which […]