Earth's climate zones—the horizontal belts of different climates that encircle the planet—consist of tropical, dry, temperate, continental, and polar zones. These major climate zones exist thanks to ...

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

Bryan Nelson is a science writer and award-winning documentary filmmaker with over a decade of experience covering technology, astronomy, medicine, animals, and more. The candy cane snail (Liguus ...

Jennifer Nelson is a health and wellness writer with more than two decades of experience. She is the author of Airbrushed Nation: The Lure and Loathing of Women’s Magazines. Honey isn't just healthy ...

Autumn is an independent journalist and educator who writes about climate, wildlife, biodiversity, and environmental justice and policy. The orca, or killer whale (Orcinus orca), is a curious ...

Amy Y. Conry Davis is a writer who specializes in green living, sustainability, and travel. She holds a B.A. in English from the University of San Diego. With its distinct duck-like bill, this ...

Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. Sloths spend their days in the treetops, barely moving. Blame ...

Russell McLendon is a science writer with expertise in the natural environment, humans, and wildlife. He holds degrees in journalism and environmental anthropology. Scorpions are creatures that ...

Laura Moss is a journalist with more than 15 years of experience writing about science, nature, culture, and the environment. Plastic is found in virtually everything these days. Your food and hygiene ...

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 ...

Blue dragons, Glaucus atlanticus, are part of a group of creatures known as nudibranchs or sea slugs. They also are known as blue sea slugs, blue angels, and sea swallows. There are a few similar blue ...

Tom Oder is a writer, editor, and communication expert who specializes in sustainability and the environment with a sweet spot for urban agriculture. The blackberry is a widely grown shrub that is ...