Less than a decade ago, the coal industry was at its peak. Now, bankruptcies across the industry are leading many to question whether it's the beginning of the end for coal. So what happened?
Industry leaders are looking to Pennsylvania's vast natural gas reserves to fuel a manufacturing reboot in Philadelphia. But is Philly's new "energy hub" just a pipe dream?
Fights over whether homeowners can sell excess solar power back to utilities are raging across the country. But Pennsylvania's recent decision on net metering could be a model compromise.
With its vast water resources, the Great Lakes region could be poised to draw businesses—big and small—from other parts of the country. But even here, water quality is a big issue.
