Abstract: The study of green GDP and green national accounting systems area hotpot issues in ecology and economy, which play an important role in boosting the sustainable development of economy, society and environment. This paper introduced the concepts of green GDP, its intrinsic meanings, and theoretical foundations of how they came into being. The measuring pathways of green GDP and several indicators, such as genuine saving (GS), index of sustainable economic welfare (ISEW) and genuine progress indicator (GPI) were put forward, which could distinguish the economic activities being able to improve or impaire the sustainability of development. The applications of green GDP indicators in China and abroad at national and municipal levels were analyzed, and the relations of green GDP with ecological footprints and ecosystem services valuation were summarized. Suggestions on green GDP study were made, focusing on the resources and environment valuation methods. Some problems existing in the measurement of green GDP still need to be solved and improved in the future.

Key words: Forest soil, Exogenous iodine, Iodine-enriched wild vegetables