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 ...

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 deadly king cobra is the longest of all venomous snakes and easily claims the title of "king": this powerful reptile feeds mostly on other snakes and often lives for decades in the wild, as ...

Your soil may not need it, your plants may not want it, and it's possible to use it incorrectly. But when properly applied, wood ash can be good for plants. This guide explains how to add wood ash ...

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 ...

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 ...

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 ...

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 ...

There’s a reason why lettuce is one of the most popular hydroponic crops for beginners and experts. The crisp, leafy green is easy to grow hydroponically, plus it's super versatile in the kitchen.

Mary Jo DiLonardo has worked in print, online, and broadcast journalism for 25 years and covers nature, health, science, and animals. With their sweet teddy bear faces and wooly charm, babydoll ...

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 ...