Sangyō to Kankyō no Kai

• Heisei 17-nendo chikyū ondanka mondai taisaku chōsa itaku jigyō (chikyū ondanka mondai fukyū keihatsu jigyō) hōkokusho
• Heisei 17-nendo kankyō fuka busshitsu taisaku chōsa (jigyōsha ni yoru kihatsusei yūki kagōbutsu no jishuteki torikumi ni tsuite no kongo no hokōsei ni kansuru kentō chōsa) hōkokusho