ULEV is an acronym for Ultra Low Emission Vehicle. ULEVs release emissions that are 50 percent cleaner than the current average year's models. ULEVs take the LEV, Low Emission Vehicle, standard a step ...

A solar tree is a structure resembling a tree that generates solar energy using photovoltaic (PV) panels. It employs principles of biomimicry, using a natural system—in this case the form of a tree—to ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. These conifers are not native and for the most part have not naturalized to ...

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 ...

Palm oil is a versatile vegetable oil that's ubiquitous in cosmetics and personal care products as well as packaged foods, cleaning products, and even biofuel. Making up a third of the global oil ...

Micro-apartments are considered to be the urban equivalent of tiny houses. They allow just enough space for a bathroom, kitchenette, sitting space, and sleeping space, although the latter two are ...

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

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

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.

Prepare to be wowed by the mysterious cosmic wonders that are black holes. Black holes are perhaps the most nightmarishly fascinating features of our universe. Like long dark tunnels to nowhere (or ...

Rice is a staple food for half of the world’s population, providing more than one-fifth of the calories consumed by people. As a plant-based food, rice is indeed vegan. However, some vegans point to ...

Chris Baskind was an ardent cyclist and car-free advocate who was dedicated to environmental issues and educating others about how to live more simply. We've all probably been guilty of this recycling ...