The Department of Energy just finalized a rule to make the energy grid more efficient. While local workers are cheering, energy efficiency advocates say it's investing in old technology. Pittsburgh-area students had a special day to compose songs and poems and create art all about birds. Construction on the first section of 53 miles of trails in central Pa. is set to begin. Plus, we answer questions from adults and kids about the upcoming solar eclipse.

We have news about federal funds to clean up abandoned mineland and the Tioga River, how withdrawing water for fracking from a popular creek could impact a threatened fish, and a lawsuit against a crypto miner and Gov. Josh Shapiro.

The Lackawanna River in northeastern Pennsylvania was once polluted from mining and sewage. We profile the longtime leader of a conservation group who spearheaded its cleanup. Chemical recycling plants that turn plastic into fuels and other materials have been proposed in Pennsylvania, West Virginia and Ohio. Why some residents worry about pollution and safety. Plus, a Penn State professor gives us the scoop on why the upcoming solar eclipse is such a big deal. A Pennsylvania college student is developing a new technology could save one million horseshoe crabs each year.

We have news about a federal grant to build the largest solar farm in Pennsylvania, why the West Virginia governor vetoed a bill expanding renewable energy, and why activists in Virginia think a fine for a major pipeline project is too small.

Companies can take advantage of federal tax credits by capturing their carbon emissions to keep them out of the atmosphere. Now farmers and others are being approached to lease their land to bury this carbon underground. Plus, we'll hear about an effort to preserve the records of a Pennsylvania coal company. And springtime is nestcam season, prompting some bird lovers to worry over the drama unfolding on their screens. A longtime nest watcher has some advice.

We have news about the compliance with the plastic bag ban in Pittsburgh, a Superfund site in Jefferson County and private well testing in East Palestine.

A new study finds that petrochemical plants like Shell's ethane cracker in Pennsylvania are getting billions in subsidies while breaking environmental laws. People who live near construction sites along the Mountain Valley Pipeline say regulators won't return their calls about water pollution from the project. Drexel researchers are gearing up to conduct ozone research in the atmosphere during the solar eclipse. And, as winters have warmed, the map that millions of gardeners rely on has been updated.

We have news about Gov. Josh Shapiro's proposals for a cap-and-trade carbon program and new renewable energy standards, and how climate change is impacting honeybees.

American chestnut trees once thrived in the Appalachian Mountains, but no longer. Now, researchers and advocates disagree on plan to bring them back. We'll also hear about how families experienced severe symptoms living near an EQT fracking site in West Virginia. The company is expanding into the state and looking to dominate exports of liquified natural gas. Plus, a peak into the springtime mating dance of the American woodcock.

We have news about yet another U.S. Steel fine, an update to a controversial plan to build near a wetland and what a transportation safety official has to say about the decision to vent and burn vinyl chloride in East Palestine.

A commission approved bids to frack under Ohio's largest state park, wildlife areas and other properties. An author of a new book on deer asks us to examine our relationship with these ubiquitous animals. And a new plant in Weirton is gearing up to make storage batteries for renewable energy plants.

We have news about construction problems along the Mountain Valley Pipeline, a withdrawal of another gas pipeline in Westmoreland County and the state is capping abandoned gas wells, while companies keep abandoning new ones.

A new report is a step in the effort to get federal funds to restore the 14-state Ohio River watershed, still plagued by old and new pollution. We visit Lake Erie to learn about invasive pet turtles. Plus, how the latest Supreme Court case about air pollution could bring more smog to Pennsylvania. And why environmental groups are upset with Gov. Shapiro's economic plan.

We have news about President Biden's visit to East Palestine, VP Harris' visit to Pittsburgh, Pennsylvania Bird Towns and American martens.

We break down all the air quality news from the last few weeks: a new soot rule, a landmark settlement with U.S. Steel over a 2018 fire, and the EPA's rejection of the company's air permit. We'll also hear about how future methane-spewing blowouts from gas storage facilities could happen because of design flaws in the wells. Plus, the search for an endangered flying squirrel in Pennsylvania.

We have news about a new effort to bring in federal clean energy funds to the Pittsburgh region, outdoor recreation in Pa., funds to clean up coal mine pollution and more.

Some residents of East Palestine want the EPA to test for contamination in their homes, but the EPA says it won't. We ask why not. Our reporters discuss what they learned in our investigation into the public health and environmental response to the disaster and what they will keep their eyes on in the coming months. Plus, how worried should we be about the health impacts of toxic PFAS chemicals in our bodies?

News about EPA's new air pollution rule, DEP's request that frackers disclose their chemicals, and proposed money for an energy efficiency program.

After last year's train derailment in East Palestine, a local stream remains contaminated. We'll examine why residents living about the polluted water are still concerned. We talk with a Pennsylvania resident just over the Ohio border who decided not to live full-time in her home. We find out what led to her decision and how she became an activist pushing for answers. And, people in East Palestine feel like the derailment fractured their community - they disagree about politics, the environment and health impacts.

Plus, a study of East Palestine residents' health and Pennsylvania's River of the Year.