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Flora of North America

White Mountains — Pines

Tree species are leap-frogging up mountains in reaction to climate change

Environment

Researchers studied two species of pine that live at the tree line and found them moving up rather rapidly — with one species leapfrogging another in the competition for new real estate.

The World

Central Park’s Trees

The World

Planting Native Trees

ALL ABOUT POISON IVY

Headwaters Land Swap

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All About Poison Ivy

Steve Curwood speaks with Susan Carol Hauser, author of the book titled Nature’s Revenge, for practical advice on avoiding, identifying and coping with outbreaks from contact with poison ivy.

The World

Return of the King

A scientist’s efforts to bring back what was once called “the king of trees”–the American Chestnut.

Treesitter

Host Steve Curwood speaks with Julia Butterfly Hill, who perched in a giant redwood in Northern California for more than two years to save it from being cut down.

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