The regulation allowing Pa. to join the Regional Greenhouse Gas Initiative will finally be published. But Republican lawmakers and candidates running for governor are against it.
Low-producing wells provide just 6% of oil and gas production in the U.S. But a new study found they emit half of the industry's climate-warming methane.
Decarbonizing transportation has to go way beyond electric vehicles. A lead author says we have the technology and even the financing, but do we have the will?
The regulation allowing Pa. to join the Regional Greenhouse Gas Initiative was set to take effect Saturday. Republican lawmakers asked to court to stop the rule until all legal questions are resolved.