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. Denali—no longer called ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. Wrapping paper may have "paper" in its name, but that ...

Palm oil is the most popularly used vegetable oil in the world. It is remarkably versatile and is used in everything from snack food and shampoo to biofuel. It is so prevalent that it can be found in ...

Ever wonder why males and females of the same species can sometimes look radically different from each other? It's all thanks to a condition known as sexual dimorphism, which is generally triggered by ...

Katherine Martinko is an expert in sustainable living. She holds a degree in English Literature and History from the University of Toronto. Imagine being able to update your wardrobe without spending ...

Jerry James Stone is a food blogger, vegetarian chef, activist, and internet personality who started writing for Treehugger in 2004. Peacocks are known and loved for their brilliant, ornamental ...

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 ...

Josh Lew is a writer and copywriter who focuses on travel, green living, and personal finance. Wellington is often called the world’s windiest city due to its average wind speed and strongest recorded ...

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 ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Leaves are the food factories of the tree. Powered by sunlight, the green ...

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 ...