Sustainability

Rising sea levels are a serious threat to low-lying areas of the city.

As of this month, Philadelphians can choose a cleaner option for heating their homes and cooking: natural gas produced in landfills, known as biogas.

Industry sought rule change, but EPA's own scientific advisers said it had "no scientific justification"

Funding for the law will come from proceeds of the “societal benefits charge,” a fee paid by New Jersey utility customers and used for the state’s clean energy program

Proposal offers rebates for electric vehicle purchases in hopes of reducing greenhouse gas emissions.

New Year's Eve celebration in Times Square will spotlight efforts to combat climate change when high school teachers and students press the button that begins the countdown.

The U.S. Fish and Wildlife Service is considering adding the firefly with an extremely small habitat to the list of endangered species.

Philly’s move comes amid a regional movement against the ubiquitous sacs. A state ban on plastic bags will expire a day before the bill goes into effect.

Philadelphia lost the equivalent of 1,000 football fields worth of tree cover in the last ten years. A first-ever urban forest plan will try to reverse that trend.

NYC lawmakers are poised to adopt legislation requiring “bird-friendly” glass on all new construction to cut down on the thousands of birds who die flying into the buildings.

Which do you think has more impact, a sports stadium or a supermarket?

Delaware Recyclable Products, Inc. has reached a settlement with New Castle County, agreeing to cap its Minquadale landfill at 140 feet.

Philadelphia’s first city-wide composting facility will open in the spring, marking a major milestone in a march towards zero waste.

Abundant drilling of the Marcellus and Utica Shale created a glut of natural gas and drove down prices. Now, new pipelines and export terminals are aiding overseas sales.

New Jersey has received a poor grade for its preparation efforts to combat climate change, according to the Surfrider Foundation.