How much open space does an urban area need?

Around 97% of all metropolitan areas in the United States have insufficient open space, according to a new study published in the Journal of the Association of Environmental and Resource Economists. In the paper "Open Space ...

Can cats and coyotes co-exist?

As urban environments continue to encroach on natural habitats, instances of human-wildlife conflict tend to increase. While some animals avoid human contact at all costs, other species thrive in urban habitats. Coyotes, ...

Deadly elephant virus stalks Zurich zoo

A deadly virus has swept through Zurich's zoo, killing three Asian elephants in a month and leaving experts stumped as to how to stop its spread.

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