Coal emits twice as much co2 as natural gas. It also emits mercury, which makes it to the United States. https://www.nature.com/articles/s41467-019-09080-6 htt

Coal emits twice as much co2 as natural gas. It also emits mercury, which makes it to the United States. https://www.nature.com/articles/s41467-019-09080-6 https://www.nature.com/articles/s41467-019-09080-6 By the way, Carl Sagan predicted the China coal problem in 1985 https://youtu.be/Wp-WiNXH6hI?si=_PwDnBnOwwqCRBGX https://youtu.be/Wp-WiNXH6hI?si=_PwDnBnOwwqCRBGX