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 ...

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. Defining the characteristics of individual leaves is part of tree morphology, ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama.

Synthetic clothing consists of a blend of different textiles. Synthetic materials have been around since the mid-twentieth century and have become the most used fibers over the past few decades.

Jim Gunshinan is a writer and editor who has published articles about green homebuilding and renovation, energy, the environment, and climate change. Hempcrete is an energy-efficient, low-impact, ...

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, ...

Paula Alvarado is an Argentine journalist who wrote for Treehugger for 7 years. She continues to write about sustainability for various publications. Also shown in our bike cargo series, Bakflets are ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Pinyon pine typically grows either in pure stands or with juniper. The chunky ...

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 ...

CBT provides communities with the opportunity to play a lead role in their own tourism industries. Katherine Gallagher is a writer and sustainability expert. She holds a B.A. in English Literature ...