| Sumario: | Giant sequoia trees, which can grow up to 87 meters tall with wide trunks, are native to California but have been found to thrive in other parts of the world, including the UK. Around half a million redwoods are estimated to be growing in British forests, where they are being planted in parks and woodlands. Researchers from University College London used terrestrial laser scanners to create 3D maps of 97 trees in three locations in the UK and found that while they are smaller than their North American counterparts, they are growing rapidly. The British trees, which are much younger, now outnumber the 80,000 giant sequoias left in California, which are facing threats from drought and wildfires.
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