> Only (about) 11 percent of Chinese land can be farmed. Most of its tremendous land mass is inarable, degraded by erosion, salinization, acidification, industr

> Only (about) 11 percent of Chinese land can be farmed. Most of its tremendous land mass is inarable, degraded by erosion, salinization, acidification, industrial effluent, sewage, excessive farm chemicals and mining runoff. The figure for the US is 16.6% as of 2011. The difference comes mostly only from the fact that a lot of China's West half is either arid, mountainous, or both, despite the author's hysteria.