China issued its first green development level report Thursday. Eastern provinces got higher ranks than western and central regions, while Beijing topped the list, China Environment News reported.

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Analysts said that Beijing, the second largest city in the country by population, ranked No 1 in the report because the city implemented many measures to improve its environment before the 2008 Olympics.

The report also showed that eastern provinces' green development is relatively high, while central regions bear lower scores. Western regions' high ranking benefited from the rich natural resources, said the newspaper.

The report is used to evaluate the country's green development. The report considered 55 basic indexes, including the efficient use of resources, pollutants disposal status and the level of government investment level in environmentally friendly development.

The annual report was conducted by Beijing Normal University, Southwestern University of Finance and Economics and the National Bureau of Statistics economic monitoring center, said the newspaper.