Dozens of signatories argue that state regulators have a constitutional duty to address climate change.
Pennsylvania environmental regulators are shining a light on ways the state could sharply increase its reliance on solar energy — potentially creating thousands of new jobs and cutting emissions in the process.
As other states move to rescue their uneconomic nuclear power plants, Pennsylvania is still weighing whether to take action — but a report due next month will lay out options.
A solar group buying program in Philadelphia is helping to lower costs and change perceptions about rooftop solar in the city.
A new online tool aims to help states coordinate the buildout of fast-charging electric vehicle stations on highways throughout the Northeast and Mid-Atlantic.