'Nothing else here': Why it's so hard for world to quit coal

An Indian laborer smiles as she takes a break from loading coal into a truck in Dhanbad, an eastern Indian city in Jharkhand state, Friday, Sept. 24, 2021. A 2021 Indian government study found that Jharkhand state -- among the poorest in India and the state with the nation’s largest coal reserves -- is also the most vulnerable Indian state to climate change. Efforts to fight climate change are being held back in part because coal, the biggest single source of climate-changing gases, provides cheap electricity and supports millions of jobs. It's one of the dilemmas facing world leaders gathere…