Melissa Breyer is Treehugger’s former senior editorial director. Her writing and photography have been featured in The New York Times, The Guardian, National Geographic, Audubon Magazine, and ...

Most animal-rights activists follow a plant-based diet for ethical reasons and studiously avoid places where meat makes up the bulk of the menu. Still, vegetarians or vegans may occasionally find ...

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 ...

Michael Graham Richard is a writer from Ottawa, Ontario. He worked for Treehugger for 11 years, covering science, technology, and transportation. A recent U.S. Environmental Protection Agency ...

A mongoose is a small, dynamic mammal with a long body and short legs. Mongooses are famous for standing their ground against venomous snakes, both in literature and in real life, but they're also ...

Although many lunar phenomena are one-night-only events, a ring around the moon is much less elusive. Also known as a lunar halo, a bright white ring of light around the moon can appear anytime ...

Bioluminescent algae are a group of tiny marine organisms that can produce an ethereal glow in the dark. While the phenomenon may occur in any region or sea depth, some of the most stunning ...

Seal fact: These animals, also known as pinnipeds, make up three diverse groups of semi-aquatic carnivorous marine mammals. Constituting the most species-rich clade of living marine mammals, there ...

Reindeer are known worldwide as Santa Claus' fictional sidekicks, but these animals are real and sometimes abundant in polar and mountainous regions. Also called caribou, this species of deer is ...

Chanie Kirschner is a writer, advice columnist, and educator who has covered topics ranging from parenting to fashion to sustainability. Buying green bananas, or any unripe fruit for that matter ...

Cattle egrets live on insects. And in the savannah, insects congregate on the ubiquitous water buffalo. In sub-Saharan Africa, for example, you'll find these birds constantly perched atop buffalo ...

From their variety of spots to their hidden wings, there is much to learn about these helpful and charming insects. Angela Nelson is a Pulitzer Prize-winning digital editor and storyteller who ...