2. The low emission in modern times is due to the degree of industrialization in China, in which the small-scale peasant economy occupies the main position. The rapid development in recent ten years is due to the acceleration of industrialization and the rapid development of energy-intensive industries in China. Second, coal, as the main energy source, causes great pollution.
3. Ideas: Build a resource-saving and environment-friendly society and cultivate a low-carbon emission economy.
Measures: Eliminate backward production capacity and use renewable energy.