The California Air Resources Board plans to vote on a first-in-the-nation, ambitious rule limiting rail pollution

European Union lawmakers are requiring deeper emission cuts from power plants, factories and planes in Europe while endo...

ExxonMobil says it is boosting its spending on greenhouse gas emission-reduction projects to $15 billion over the next s...

The European Union has fined four major German car manufacturers $1 billion because they colluded to limit the developme...