The justices are about to hear a lawsuit that could determine whether the oil industry faces billions of dollars in liability for damages caused by global warming.
Boulder has sued Exxon and Suncor saying they should help pay for the damage caused by global warming in the state. A Suncor refinery in Colorado last month.
Five years after virtually every world leader agreed to βphase downβ the burning of coal for climate reasons, the fuel is more widely used than ever.