The model of economic development that we [China] are currently pursuing is unsustainable. Our energy consumption per unit of GDP is seven times that of Japan, six times that of America, and even 2.8 times that of India. China’s labour productivity is less than 10 per cent of the world total, and yet our emissions are over 10 times higher than the global average. China’s current supplies of energy and natural resources are unsustainable. Soil erosion and water loss mean that in the last 50 years, the area of habitable land has halved. We currently have 45 main sources of...