One expert calculates it could take the parachuting spiders, accidentally introduced to Georgia from Asia, 40-60 years to make it to Pennsylvania on their own.
During Jacqui Bonomo's 37-year career, she worked on some big environmental issues but credits her love of a Luzerne County watershed with starting it all. She hopes other Pennsylvanians will step up, too.
Leonard Stewart walks along the wetlands of the John Heinz National Wildlife Refuge every day. He says it helps him connect with nature and his community.
Vultures have such bulletproof digestive systems they can even eat anthrax. But their powerful stomachs also serve an important environmental function.
