It's a Treehugger's dream come true. Leafsnap is a free app that identifies plant species of all kinds, from flowers and bark to fruit and trees. Go for a walk, take a shot of a leaf, and this little ...

The Mississippi River is famous for its important role in the United States' industrialization. The river is a vital source of hydroelectric energy, provides drinking water for millions of people, and ...

Regina Bailey is a science writer, educator, and board-certified registered nurse. Her work has been featured in "Kaplan AP Biology" and "The Internet for Cellular and Molecular Biologists." Carbon is ...

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. The difference between ...

Anna Nordseth is an ecology writer and Duke University Ph.D. candidate specializing in tropical forest ecology, conservation research, and biodiversity. Boreal forests, or taiga, are found between 50 ...

Starre Vartan is an environmental and science journalist. She holds an MFA degree from Columbia University and Geology and English degrees from Syracuse University. Echeveria comes in many sizes, ...

Alex Davies is a technology journalist and the author of "Driven," an upcoming book about the self-driving car industry.

Manure is an organic fertilizer made from the dung of domestic livestock including horses, cows, and poultry. It may also contain urine and bedding material like straw or sawdust. Manure is an ...

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 ...

Haley Mast is a freelance writer, fact-checker, and small organic farmer in the Columbia River Gorge. She enjoys gardening, reporting on environmental topics, and spending her time outside ...

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.

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 ...