More on the Solar Water Heater Made of PET Bottles
Tuesday, October 9th, 2007One 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, […]
Mexico: Feds Issue Guidance on Municipal Composting
Monday, March 12th, 2007Recently 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 […]