From an environmentalist who wants to revive extinct species to a software company seeking to design molecules, Marin County is well represented at this week's TED Conference, the annual gathering of elites from the technology industry and creative fields.

Founded in 1984, the conference the acronym stands for Technology, Entertainment, Design features 50 speakers from a wide range of fields. Admission to the weeklong event costs a hefty $7,500, but videos of the talks have become a phenomenon online, where they have been streamed hundreds of millions of times.

In a talk Wednesday at the conference in Long Beach, futurist and environmentalist Stewart Brand of Sausalito proposed something

Stewart Brand, of Sausalito, an environmentalist and futurist, on stage at the TED2013 conference on Wednesday, Feb. 27, 2013, in Long Beach, Calif. (Photo by James Duncan Davidson) James Duncan Davidson

"Biotechnology is about to liberate conservation, at least a part of conservation, in a pretty spectacular way," he said.

Brand, known for his creation of the Whole Earth Catalog in the 1960s among other projects, said research is underway that could make so-called "de-extinction" possible. The process could help restore habitats that have been destroyed and teach scientists how to prevent more endangered species from becoming extinct, he said.

Describing himself as a "cheerleader" who is encouraging researchers, Brand said scientists are working on a way to use DNA to re-create the

"The result won't be perfect, but it should be perfect enough because nature doesn't do perfect either," he said.

Reviving other species such as the woolly mammoth may one day be possible, he said.

Addressing people who would likely be concerned about interfering with nature, Brand said humans are responsible for much of the extinction that has occurred.

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Marin futurist offers intriguing concept at TED Conference -- revival of extinct species