The elusive snow leopard was listed on the IUCN Red List as endangered in 1986. In 2017, its status changed to vulnerable—one step below endangered—and it remains there to this day. However, the IUCN ...

Defense mechanisms are crucial to all animal life. Since animals in every biome must eat to survive, prey animals must constantly avoid being eaten. Animals employ adaptations that add to the chances ...

Amy Y. Conry Davis is a writer who specializes in green living, sustainability, and travel. She holds a B.A. in English from the University of San Diego. Pygmy sloths only live in Escudo de Veraguas ...

Learn how to avoid certain canned goods, receipts, toys, and more. Since most people are primarily exposed to BPA through their diets, limiting your consumption of canned and packaged foods could ...

There are no saolas in captivity, and fewer than 100 may remain in the wild. Russell McLendon is a science writer with expertise in the natural environment, humans, and wildlife. He holds degrees in ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Here is an index map of 20 major timber types in the United States as defined ...

Russell McLendon is a science writer with expertise in the natural environment, humans, and wildlife. He holds degrees in journalism and environmental anthropology. More than half the U.S. population ...

Blythe Copeland is a writer, editor, and blogger who began working with Treehugger in 2008.

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. Canning is a traditional method of preservation that ...

Katherine Gallagher is a writer and sustainability expert. She holds a B.A. in English Literature from Chapman University and a Sustainable Tourism certificate from the GSTC. Native to Southern ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. Wool is a protein that grows from the skin of sheep, goats, ...

Justin Thomas specialized in reviewing products and techniques for Treehugger from 2004 to 2008. He is the editor of MetaEfficient, a guide to efficient living.