Synopsis

The world’s largest organisms, trees are also among its oldest inhabitants. Unlike tropical rainforests, seasonal forests constitute the planet's most extensive terrestrial habitats. A third of all trees thrive in the vast taiga of the Arctic. In North America, forests encompass giants like the sequoias of California, the largest trees on Earth. There and elsewhere, their immense photosynthetic activity and the shade they cast shape the seasonal cycle of life, supporting countless plant and anim