Environment

The notice comes after the state declared a drought warning Wednesday as the region faces record-low rainfall, leading to the driest conditions in the past 120 years.

With destructive wildfires burning on both coasts, fire officials might use jargon unfamiliar to residents of states where such big blazes are relatively rare.

Water supplies have worsened since last week in some locations, and about 40% of water providers are experiencing above-average demands for water.

The pedestrian-only street closures saw a big boost in sales during Open Street’s September experiment.

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.”

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.