By Scott Cavanaugh -- What are Japanese companies doing to change the earth? -- When the Kyoto Protocol was adopted in December 1997, Japan instantly became one of the leaders in reducing greenhouse gas emissions. During that time, the Japanese government, along with many Japanese corporations, publicized sweeping changes that would be enacted to counter the negative effects of the previous 150 years of industrial activity. The idea was that Japan, with its eco-friendly ideas, would become the envy of the other industrialized nations. But this has not become reality.