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. In 2019, Costa Rica was ...

Despite slight gains in population, the Amur leopard is still on the brink of extinction. Katherine Gallagher is a writer and sustainability expert. She holds a B.A. in English Literature from Chapman ...

Beyond its affordability, this superstar material is easy to work with, drying in just one night and flexible enough to be shaped into almost any form. First, there was foamcrete, then there was ...

Wolves howl for many of the same reasons that other species use vocalizations: to warn others about predators, to defend their territories, and to find mates. There are a number of factors that can ...

Gazelles are famously fleet-footed members of the antelope family, living primarily in dry, open habitats like deserts and grasslands. They tend to gather in migratory or nomadic herds, remaining ...

Sidney Stevens is a writer and editor for magazines, websites, and books, with a focus on health and environmental issues. Some 400 billion birds share the planet with us, each with its own abundant ...

A passive solar-heated home needs no solar panels to heat or cool it. Rather, the energy used to heat and cool a house comes directly from the sun through skylights and windows. Some of that energy is ...

Matt Hickman is an associate editor at The Architect’s Newspaper. His writing has been featured in Curbed, Apartment Therapy, URBAN-X, and more. The longest bridge in the world, in any category, is ...

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 ...

Wolves and humans have a complicated relationship. We often vilify the “Big Bad Wolf” in fiction and real life, but we're also consistently fascinated by these smart, social mammals, and we haven't ...

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 ...