The realm of the Siberian larch.
The largest forested region on the planet is the boreal coniferous tract, which accounts for about a third of the Earth’s total forest cover and dwarfs tropical rainforests. Boreal forests blanket a swathe around the Arctic Circle, across Alaska and into northern Canada. They cover about eight million square kilometres of Siberia alone, where they are known as the taiga. Vast amounts of carbon are lock up there, with so much biomass that worldwide levels of