Globally, more than a million plants and animals face extinction due to habitat loss, climate change and other factors related to human activity, and this alarming loss of biodiversity is only accelerating. In California, conservationists and biologists have identified scores of species in potential peril, including many icons of the state’s beloved wildlands — chinook salmon, giant sequoias, Joshua trees, desert tortoises, California red-legged frogs, gray whales.

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