How grass dances with fire

There's a long-held myth that Johannesburg is the globe's largest urban forest, resplendent with an annual purple Jacaranda show. But before the planting of these (alien) trees for timber during the Gold Rush in the 19th ...

Detoxifying gold mining

Jacqueline "Jackie" Gerson knows very well how "artisanal gold mining" sounds to people who haven't heard the phrase before.

Exotic animals and the hunt for gold

Men, women and their families arrived in large numbers to northern California with the dream of striking it rich during the mid-19th century. What most people don't know about the California Gold Rush is that exotic animals ...

Biodiversity 'hotspots' imperiled along California's streams

A study of woodland ecosystems that provide habitat for rare and endangered species along streams and rivers throughout California reveals that some of these ecologically important areas are inadvertently benefitting from ...

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