<diacritize> Aaron Mastache Mondragon , secretary of environment , indicated that only 10 percent of Mexico Citys trash is recycled and that about 48 percent is not biodegradable . <yor>Aarón Mastache Mondragón , secretary of environment , indicated that only 10 percent of Mexico Citys trash is recycled and that about 48 percent is not biodegradable . 