Californian redwoods are some of the oldest and largest living organisms on the planet. How do they grow so tall and why are they under threat?
- The coniferous forests on the pacific coast of North America were thriving long before the Alps had risen - 20 million years ago.
- The coniferous forest is home to giant redwoods - which grow to over 100m in height.
- The Sequoia Tree is one of the largest living organisms, at 90m tall and 1m thick, and it can live for over 3000 years.
- In the mid-19th century, the coniferous forests attracted loggers and the redwood were reduced by 90%.
About 20 million years ago, coniferous forests on the Pacific coast of North America, were already thriving, long before the Alps had risen or humans walked the Earth.
This is the ancient land of the giant redwood.
Compared to the Arctic Taiga forest, surviving here is easy. Rain is ...
Please log in to view and download the complete transcript.