What's killing Pennsylvania's trees and how DCNR’s fighting it

What's killing Pennsylvania's trees and how DCNR’s fighting it

From Hemlocks to Hellbenders by Christian Alexandersen

May 27, 2026 · 49 min · Season 4 · Episode 11

About this episode

The episode discusses the various threats to Pennsylvania's trees and the efforts by DCNR to combat these issues.

The more time I’ve spent outdoors, the more I’ve learned about the threats our trees face here in Pennsylvania. It seems like every other day I’m finding out about a new disease or invasive plant or insect that’s come to our shores and is devastating our trees. It’s sad to see our forests choked by kudzu vines. To see our trees impacted by the emerald ash borer, spongy moth and hemlock woolly adelgid. To see the once mighty American Chestnut tree wiped out by blight. And lets not ...

People in this episode

Host: Christian Alexandersen

Topics covered

  • tree diseases
  • invasive species
  • forest conservation
  • Pennsylvania ecology
  • environmental threats

Keywords

  • Pennsylvania
  • trees
  • diseases
  • invasive plants
  • DCNR
  • forest health
  • environment

Mentioned in this episode

Organizations: DCNR

Products: emerald ash borer, spongy moth, hemlock woolly adelgid, American Chestnut, kudzu vines

Places: Pennsylvania

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