Environment

The red knots stop for nourishment along the Delaware Bay on their annual journey from Chile to the Arctic.

Low and variable snowfall is expected to become more commonplace as the climate warms.

Sunoco said Thursday it aims to begin operating its Mariner East 2 pipeline across southern Pennsylvania by the end of the second quarter of this year.

Residents in Blades will soon be able to drink public water, a couple weeks after their supply was determined to be unsafe.

Maybe you just want to see penguins or icebergs, but visiting the South Pole also means transforming the landscape — and adding to your carbon debt.

Communities along Canada’s western coast combine conservation and tourism to create jobs that line up with their cultural values.

Tourists once flocked to El Yunque National Forest. After landslides of hurricane damage in 2017, work crews are sweating to reopen it.

Speaking to hundreds of refinery workers, Cruz railed against the federal program known as the Renewable Fuel Standard (RFS), while the workers cheered.

The refinery is Philadelphia’s single largest stationary source of particulate pollution.

Despite her alarm at the prospect of losing her spring water, Anthony says she’s not moving even if the pipeline is built on her land.

A team of glaziers recently lifted the glass off the gorilla display for renovations — to a round of applause from museum employees.

The new board determined that the natural gas liquids pipeline is being built well within a “pipeline impact radius.”

The DEP will also hold public hearings in each of the three counties the pipeline route traverses: Washington, Allegheny, and Beaver counties.