The dirty business of coal

Coal is a highly polluting energy source. Coal use, primarily for the generation of electricity, now accounts for roughly 20 percent of global GHG emissions. Emitting 29% more carbon per unit of energy than oil and 80% more than gas, it is one of the leading contributors to climate change. Burning coal also releases massive amounts of toxic substances such as mercury and arsenic that have deadly impacts on human health and create acutely detrimental effects on developing economies and hosting communities

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