Tunza is a magazine published by the UN Environment Programme about environmental issues from a youth perspective. This issue is about transportation, urban planning, waste management, and ecology.

Interview with Howard Yergin, an employee of Caltex Petroleum Corporation from New York City. Yergin discusses his career with the company, including his education and Army service, hiring by Caltex, move to Shanghai in 1948 and business conducted there, businessmen who helped reestablish Caltex's Chinese market after WWII, fleeing China in 1949, attempts at recouping capital from the Chinese government, operations in Hong Kong, changes in the oil market over the years, corporate financing, internal reorganization, OPEC, Persian Gulf economies, South African operations, the tanker fleet, and the company's move from New York to Dallas.