Report: Tibet's environmental quality shines

The region's forest area hit nearly 15 million hectares, ranking fifth in China. The forest coverage ratio stands at 12.31 percent, and total timber stock volume hit more than 2.2 billion cubic meters, ranking at the top in China.

Wetlands in Tibet total more than 6.52 million hectares, or 5.3 percent of the region's land area — ranking second in China — the bulletin said.