Vermont’s electric buses are sidelined by freezing temps and fire risks, raising questions about reliability and taxpayer-funded transit mandates.

Observed temperature data undercuts claims that global warming drives both hotter and colder extremes.

Climate activists are pushing an indirect carbon tax through lawsuits, giving the Supreme Court a prime chance to shut down...

RGGI failed to deliver climate benefits while raising the state's electricity costs. Virginia Democrats now want the tax reinstated.

A California law banning new oil drilling near homes has left many oil-and-gas mineral rights owners unable to use or...