Situated along the Schuylkill River, East Falls and Manayunk are prone to serious flooding.

Up to four power cables from offshore wind turbines will be buried under Delaware wetlands and beaches. Some fishermen worry about harm to wildlife.

Historic dams along the Brandywine River are helping the museum get off the electrical grid.

Twenty years after the state's first shale gas well was drilled, jobs comprise less than 1% of the workforce, residents fear health impacts and environmental damage continues.

Since 1964, the Cape May-Lewes Ferry has linked Delaware and New Jersey. With a $20 million grant, the ferry will soon go green with its first diesel-hybrid vessel.

The lightning bugs’ habitat is being threatened by development and climate change.

More than one in seven outdoor workers faced heat-related symptoms on the job last year, according to a survey by a research nonprofit.

The 10-bus pilot is part of the agency's efforts to transition to a climate-friendly fleet. But it has attracted criticism from some environmentalists.

The city, school district and a group of nonprofits are officially joining forces to plant and protect more trees.

Delaware is the lowest-lying state in the U.S., leaving it vulnerable to the effects of climate change, lawmakers and advocates say.

Synthetic dyes are often petroleum-based and pollute waterways. At a former dairy farm in Lancaster County, Pa., flowers, plants and kitchen waste color clothes naturally.

A national nonprofit found Black and Hispanic households spend more of their income on energy than households overall.

The cooperative of farmers and textile producers wants to jump-start flax production to provide more linen clothing as an alternative to fossil fuel-based synthetic fibers.

Trump said little about his plans, while Harris bragged about both clean energy investments and gas production.

Former President Donald Trump claimed that Vice President Kamala Harris would ban fracking if she is elected president, which she wouldn’t have the power to do.