Forbes: Tokyo – When the world thinks about environmental technology, Japan wants one word to come to mind: mottainai. It means “don’t waste,” and it’s the concept behind the country’s push not only to make Japan green, but also to sell the technology it’s developed around the world. Prime Minister Yasuo Fukuda spent his early career at an oil company when crude was a dollar a barrel. Now he hopes to turn $144 oil into gold for Japan. “The emerging global view that CO2 …