Shenzhen's green GDP index increased by 3.33 percent in the past six months, officials with the municipal statistics bureau said at a press conference Friday.

"The index reaches 108.18 percent in the first half. It's a satisfactory result," said Tang Jie, secretary-general of the municipal government.

Statistics also showed that the output per square kilometer had reached 131 million yuan (US$16.38 million) this year, an increase of 13.5 percent compared with the same period last year. The index measures the output from the high-tech, finance, logistics and cultural industries against pollution and consumption of resources.

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