Cooler temperatures and a late season drought caused some trees to lose their leaves early, while also affecting the quality of fall colors.

The Department of Energy slashed more than $7.5 billion for clean energy projects in 16 Democratic-led states, yet Pennsylvania's "green" hydrogen hubs survive, for now.

The arrangement is a way to sidestep Pennsylvania regulations that do not allow community solar in the state.

Though conservation efforts have helped to improve piping plover pairings, researchers say fledgling numbers are not keeping pace.

The city claims the companies knowingly deceive consumers into believing that plastic bags are recyclable, when, in fact, they are not.

Environmentalists have called for protections for the federally endangered Atlantic sturgeon for decades.

The governor said PJM Interconnection has “months, not years” to make reforms that will keep costs down for consumers.

Utility records show Philadelphia Gas Works spent $4.2 million on promotions over a 14-month period ending in November 2024.

The proposal would require the city to rethink its waste disposal contracts after they expire next summer.

The city finished installing a second “cool pavement” test patch this summer. So far, results are mixed.

The redevelopment plans include a town center, aviation museum and several homes.

The exhibition highlights the state’s natural habitats and efforts to protect them.

None of the schools that received Solar for Schools grants have told the state they’re pulling out due to federal tax credit rollbacks.

On Tuesday, Pennsylvania state lawmakers held a hearing with stakeholders to better understand how the state can prepare and manage the growth of data centers.

The tax credits help offset the cost of upgrades such as heat pumps, windows and insulation. They expire at the end of December.