The massive and rapid industrialization of China since the 1990s has led to significant and widespread air pollution.
<h3>What has China's growth led to?</h3>
China has since the 1990s, engaged in massive industrialization which has relied on fossil fuels such as crude oil.
This has led to widespread air pollution both in China and in the rest of the world. This is why cities in China are often covered with very thick smog.