China's main source of energy contributes most to what global environmental problem?

China’s main source of energy is coal and China is the world’s largest coal consumer in the world. This usage of coal contributes the most to the global climate change. According to the US Energy Information Administration the top emitter and the largest emitter of carbon dioxide from fossil fuels in 2009 was China.

in this scenario it would be the consumer demand as most influential in making the decision. the band members need to figure out where and from whom they will make the most money, in other words who out of the two consumer groups - football fans or car drivers - will spend their money, who is more likely to contribute to their cause and buy what they are offering.