Patna: A German government agency is going to help Bihar build 'green' buildings and win carbon credits in the process, which it can sell in developed countries. A team from Deutsche Gesellschaft f?r Technische Zusammenarbeit (GTZ), the German development agency, visited Bihar some time ago to prepare a report on how to help the state develop buildings that are energy efficient, a state government official said. Another GTZ team is scheduled to arrive here next week "to go ahead with the... full story