¿Se recupera el aire bogotano? / Is Bogotá’s Air Recovering?
Friday, November 28th, 2008Bogotá’s environment authority, SDA, just issued a release declaring that the city’s air is getting better. Their evidence that is so? First, that the sulfur content in diesel fuel sold in the capital has fallen from 500 parts per million (ppm) this past July to 231 ppm in October. They attribute the drop to the […]