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Kieran Suckling, executive director of the Tucson-based Center for Biological Diversity, discusses the center’s efforts on behalf of wildlife. Some government officials fault the center’s emphasis on litigation over working toward consensus, but Suckling says the aggressive tactics are proper and effective.

The Center for Biological Diversity has achieved a high profile in part through its litigation-based approach to conservation. Since July 1, it has filed 12 lawsuits to prevent development around the country that it contends would threaten various endangered species. Read more»