Parks without people? A response to Jason Mark

A few days ago, environmental writer Jason Mark published an essay in Sierra, the national magazine of the Sierra Club, in which he advocates for “a provocative idea”: establishing nature reserves that would be “off-limits to most people” except “working scientists.” These preserves would be managed exclusively “for wild nature alone.” Mark invokes conservationist icon […]

The Great Eucalyptus Debate

The Tasmanian blue gum, Eucalyptus globulus, is a magnificent tree. That is perhaps the only thing that everyone agrees on. It is, as Jake Sigg puts it, “a big, grand, old tree.” Tall, gnarled, stripey-barked, with white flowers like sea anemones, blue gum eucalyptus are characteristic of the San Francisco Bay area, despite being native […]