As our nation celebrates its founding, we're looking at where the environment and history meet. This summer 70 paddlers in kayaks and canoes took a trip down the Delaware River, including the spot where Washington crossed in 1776. A group of Pennsylvania residents is working to revive the colonial practice of growing flax one square yard at a time. We'll hear about an effort to preserve the records of a Pennsylvania coal company. An environmental history book about Pennsylvania aims to include multiple perspectives. Plus, a bill introduced in the U.S. House could help coal miners disabled by black lung disease. Cases of alpha-gal syndrome, which causes a red meat and dairy allergy from tick bites, have been showing up around Pennsylvania.

When the Army Corps of Engineers removed a dam on the Monongahela River a couple of years ago, the water level dropped more than some businesses expected. Researchers are working on buoys that combat harmful algal blooms in Lake Erie by releasing an algaecide. Council members in a Jefferson County borough are putting a nearly six-month pause on data center development, and state lawmakers have passed three measures this week to pump the brakes on data center development. Environmental groups say recent investments announced by Nippon Steel for its US Steel plants in the Pittsburgh area won’t do much to improve the region’s air quality. How restaurants are managing recycling, composting and sustainability, and training customers along the way.

Opposition to data center development has been growing in Pennsylvania. We hear from an investigative reporter on Governor Shapiro's office offer to streamline the permitting process for Amazon. The Pennsylvania Department of Environmental Protection is accepting public comment on a proposed water pollution permit for a coal mine planned in western Pennsylvania. Researchers are bringing back a nearly extinct beetle that buries dead animals.