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One analysis has found that joining the nation's separate power grids could have significant benefits.

Wolf joins governors calling for unified, national power grid

A bipartisan group of governors is calling on federal regulators to look at unifying the nation’s power grids.

By Marie Cusick

The new law will help commercial property owners finance the upfront costs of installing clean energy upgrades, such as new solar panels.

An environmental cleanup crew works to remove fuel from a spill in Darby Creek in Tinicum Township, Pennsylvania, near the Philadelphia International Airport. Sunoco plans to use this same line to ship natural gas liquids until construction along the Mariner East 2 is completed.

ME2 12-inch pipe passed safety inspections, PUC tells school superintendents

The line, built in the 1930s and upgraded in 2016, is among three that Sunoco plans to use as a substitute for Mariner East 2 while construction on that project is finished. Three school superintendents had asked PUC to help assess the line’s safety.

By Jon Hurdle

People carry a cooler while strolling at the boardwalk on their way to a beach spot at the New Jersey shore, Friday, Aug. 17, 2018, in Seaside Heights, N.J.

Homeowners down the shore stand to lose millions from sea level rise

Knowledge of sea level rise has not stopped building in vulnerable areas along the New Jersey and Delaware coasts
By Susan Phillips

A shale gas drilling rig in Washington, Pa.

The Svínafellsjökull glacier in Iceland. Glacial retreat is among the most visible impacts of climate change. Since the early twentieth century, with few exceptions, glaciers around the world have been retreating at unprecedented rates.

Listen: Climate change and loss of biodiversity

WITF’s Smart Talk features experts discussing climate change and loss of biodiversity

By Marie Cusick

In this Sunday, July 8, 2018, photograph, 2018 Model 3 sedans charge while on display outside a Tesla showroom in Littleton, Colo.

Pa. regulators adopt new policy, clearing confusion over electric vehicle charging stations

As electric vehicles become more popular with consumers, there are efforts to ensure the charging infrastructure is in place to support them.

By Marie Cusick

Mariner East 2 pipeline construction along Zinns Mill Road in Lebanon County August 24, 2018.
Updated: November 8, 2018 | 4:36 pm

Sunoco expects hybrid Mariner East 2 to start operating by year’s end

The company has joined three different lines to create a cross-state route for natural gas liquids. It says it will be able to fulfill customer orders.

By Jon Hurdle

Crews work to stabilize sinkholes in a West Whiteland Township, Chester County neighborhood on March 3. The sinkholes appeared  near a construction site for the Mariner East 2 pipeline.

Pipeline opponent wins Chester County seat in state House

Danielle Friel Otten says a pipeline being built yards from her back door motivated her to run
By Susan Phillips

Oil workers and their families live in a variety of makeshift homes in the Fox Run RV Park outside Williston, North Dakota, pictured here in 2015.

Listen: How housing in the Bakken shale play evolved with the oil boom

North Dakota and Pennsylvania share a history of what happened when oil and gas workers rolled in. Here’s how it played out in the Bakken oil patch.

By Amy Sisk