Why is Guangdong hot?

The high temperature weather in Guangdong now is due to industrial development and large population, resulting in more carbon dioxide in the atmosphere than before. Carbon dioxide is the gas that causes the greenhouse effect, so the temperature rises, which is one of the reasons. Secondly, in astronomy, the sunshine time of the earth has increased now, which leads to more heat absorption and heat absorption of the earth. Third, most cities are concrete, and the specific heat capacity (physical quantity) of concrete is relatively small, and the temperature of absorbing the same heat is high, so the ground temperature is high, which also leads to the temperature of the surrounding atmosphere. The situation in the last century was better than it is now, but now the atmospheric temperature will continue to rise, and there will be such characteristics in the next few years.