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, ...

Animal extinction affects entire ecosystems and, in turn, the world. Let's face it, few of us have crossed paths with a real, live endangered species today—one that is teetering on a tightrope of ...

Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. Known for its breathtaking speed and distinctive spots, the ...

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

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 ...

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.

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 ...

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.

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. True geothermal energy is truly green. This is where you get ...

Although several countries—and even some U.S. states—are beginning to create laws that ban or limit the practice of animal testing for cosmetics, the sad reality is that some companies continue to ...

Lisa has been writing for People Inc. since 2005 and works with a wide range of educational publishers, conservation nonprofits, and research institutions. She has written for science museums, nature ...