Transcripts for KPIX CBS Weekend News 20161113 01:58:00 : vi

towering sequoia. how are you doing, this? >> this is amazing. terrifying and amazing. >> reporter: up here is where the work begins. >> we're 180, maybe 200 feet on top of a giant sequoia. this is the newest growth. this is exactly what we want. >> reporter: scientists will use that genetic material to essentially clone the tree. >> each one of these little things is a tree. >> reporter: the trees are grown in this lab in michigan, nurturenurtured from sprowts, ul they're large enough to plant all over the world. >> we've literally produced about a quarter million trees at least and got them planted in the ground. >> reporter: why is it so important to do this? >> it's not for us. it's for the future. so it's a gift to the grand kids, to the kids. >> reporter: a gift they hope will continue to grow for thousands of years. chris martinez, cbs news, sierra nevada mountains. >> ninan: and that's the cbs weekend news for this saturday. the news continues now on our 24-hour streaming channel cbsn at cbsnews.com. i'm reena ninan in new york. thank you for joining us. good night.

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