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.

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.

answerintellectual capital;