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 ...

Solar air conditioning is any air conditioning powered by the sun's energy. Solar air conditioners have no emissions and supply their own energy, so customers can lessen their carbon footprint and ...

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 ...

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 ...

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 ...

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 ...

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

Cactus leather is a bio-based material lauded for its breathability, an area in which other vegan leathers fall short. This unique material is used for handbags, shoes, apparel, and furniture. Even ...

The Treehugger editorial team is a diverse group of experts—with advanced degrees, professional experience, published books, and more—whose expertise spans every corner of the sustainability space. Is ...

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.

Josh Lew is a writer and copywriter who focuses on travel, green living, and personal finance. For some places, the experiential travel trend could be a game-changer. Smaller destinations cannot hope ...