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This wonderfully written book tells the history of our planet as geologists have discovered what that history is. Time is one of the discoveries geologists made. The age of this planet and having divided the history into a geologic time scale, the...

The Delaware Water Gap National Recreation Area and Middle Delaware Scenic and Recreational River recently announced plans to make the park experience more inclusive and welcoming for all visitors through its final 2020 Visitor Use Management Plan (...

There are cold, clear streams running through rural, pristine forests in the Lehigh Valley that contain such toxic levels of heavy metals that fish and other aquatic organisms cannot survive in them. In past coal mining days, pipes to ‘dewater’ the...

President-elect Joe Biden is on his way to the White House and with him, he brings a decisively different approach towards the crisis of the environment than his predecessor, Donald Trump. This change of leadership provides an opportunity for the...

The Sierra Club’s Lancaster Group is in the process of purchasing and distributing the children’s book Where’s Rodney? by Carmen Bogan to as many public elementary school libraries in Lancaster County as it can. This beautiful book, illustrated by...

Up to 75 percent of people in the U.S. call themselves environmentalists, but what does that mean? What level of commitment and/or what level of action does it take to make this a meaningful statement? We can take many actions like recycling,...

A vegan or plant-based lifestyle, when practiced prudently, is more environmentally sustainable than current Western consumption norms. We argue that going vegan is an imperative step for humanity to dramatically lessen its carbon footprint.

Welcome to the online-only edition of the Sylvanian, our long-running Chapter Newsletter!

A neglected, unreported, and unenforced environmental issue in Pennsylvania is noise. Noise is a form of air pollution that affects our quality of life, health, productivity, and general welfare. Noise also affects wildlife – from mating birds to...

HARRISBURG, PA -- Responding to robust public input, the National Park Service announced plans to make the park experience more inclusive and welcoming for all visitors through its final visitor use management plan for Delaware Water Gap National...