Environment

Many of the national climate policies that are most reducing planet-warming greenhouse gas emissions could be undone, climate solutions experts say.

The artificial leaf was a vision for moving beyond fossil fuels. Researchers have since run into obstacles, but continue to push the field forward.

On Sunday, Philadelphia’s Air Quality Index was rated in the orange category for high amounts of particulate matter.

Numerous offshore wind projects have approvals and at least three are operating. Trump could prohibit future projects and exert leverage over ones that aren't as far along.

The Delaware River Basin Commission has a plan for situations like this, and could step up its efforts to repel the salt front if conditions worsen.

An arborist offers his top tips for protecting trees as Philadelphia’s record-breaking dry spell continues.

The number of wildfires in New Jersey over the past two weeks is more than eight times greater than the same timeframe last year.

“We try to make it so that you can do a little or a lot,” said one organizer. “If you have 15 minutes … if you have three hours, we'll take it all.”

In recent months, Trump railed against wind turbines and electric vehicles, which experts say would help curb climate pollution.

The Philadelphia area is facing record dry conditions. Meteorologists say months of rainfall is needed.

Gloucester Township voters bucked the growing trend of water and sewer sales to investor-owned utilities.

Gloucester Township officials say the sale would pay off a $65 million debt and help reduce property taxes.

“With a Harris-Walz administration, we will at least have a seat at the table,” one activist said. “With a Trump administration, there won't be a table.”

After a magnitude 4.8 earthquake in April, inspectors declared the building unsafe. The branch reopened just in time to serve as a polling place for the election.

The funding is part of $3 billion for ports nationwide to tackle climate change and air pollution.