Where do greenhouse gases come from?

Greenhouse gases occur naturally (Natural Greenhouse Gas) such as water vapor, carbon dioxide from the respiration of living things, etc., and greenhouse gases that occur from human activities or can be called man-made greenhouse gases (Anthropogenic Greenhouse Gas) such as gases from burning coal in the electricity generation process, burning fuel in cars, microbial fermentation process from water in rice fields, industrial processes such as the production of cement pellets, various chemical processes, refrigerants in air conditioners, car air conditioners and building cooling systems.