Karen Hendricks | StateImpact Pennsylvania

Pennsylvania is one of the nation’s largest emitters of greenhouse gases, including CO2, primarily from the burning of fossil fuels and methane. The industrial sector, including manufacturing, accounts for more than 30% of the state's emissions.

Some Pennsylvania churches say adding solar panels lowers their carbon footprint as part of their responses to climate change and “creation care” called for in the Bible.

The Soil Health Benchmark study, organized by Pasa Sustainable Agriculture, is helping farmers learn how sustainable agricultural practices can impact and improve their farms’ soil.

Pennsylvania has had the highest incidence of Lyme disease in the country in 11 of the past 12 years, according to CDC data. The state is responding with new tick testing, research and education.

Experts say climate change is fueling and favoring the growth of invasive species — in many cases, at the expense of Pennsylvania’s cherished symbols. But environmental workers are trying to help those Pa. icons by discovering ways to reverse invasive species’ effects.