Gerald Corsi / Getty Images The wingspan of a wandering albatross (Diomedea exulans) measures up to 12 feet across, which makes it the largest extant bird on Earth in terms of wingspan. This helps ...

Alicia is a writer, photographer, and social entrepreneur specializing in sustainable travel, wildlife and nature conservation, and environmentally friendly agriculture and eating. She holds an M ...

Marcus V. Bellizzi / Wikimedia Commons / CC BY-SA 3.0 This tree, an example of the species Cariniana legalis named Patriarca da Floresta in Brazil, is estimated to be over 2,000 years old. The ...

Animal testing remains legal in most of the world. Learn how the practice began—and is still performed—and how to know if your favorite cosmetics have been tested on animals.

Depending on where you live, there are some items that simply aren't recyclable, including varieties of paper, glass and plastic. Check with your city service provider to know specifics, but here ...

If you'd like to donate to a reputable wildlife conservation organization, here's a list of the 10 best from Oceana to World Wildlife Fund and more.

He continued: "Scientific life-cycle energy analyses have repeatedly found that the energy used in the operation and maintenance of buildings dwarf the so-called 'embodied' energy of the materials ...

A modular is a portable home or commercial building that is built at an off-site facility and transported to a more permanent plot for assembly. The product can be of higher quality because it's ...

Treehugger / Sanja Kostic To get the most out of exfoliation, you need to know your skin type. Your skin is unique and will respond well to some exfoliants and poorly to others. Skin types are ...

Palm oil is cheap and comes from a highly efficient oil palm crop that produces generous yields, year-round, with relatively little land. Yet, it can be horribly unsustainable. Demand for the ...

Brian Gratwicke / Flickr / CC BY 2.0 The volcanic island of Tristan Da Cunha in the South Atlantic Ocean has the honor of being the most remote point on Earth inhabited by humans. Part of a five ...

From New York's Eternal Flame Falls to Ethiopia's Erta Ale, these naturally occurring eternal flames have been burning for decades or centuries.