Using photosynthesis, a tree converts water and carbonic gas into enough oxygen to sustain two persons for a year.
In order to grow, a tree spends its lifetime feeding on carbonic gas. With an average consumption of 10kg of carbonic gas a year, a tree helps reduce the additional amount of carbon in the atmosphere which is a cause of climate change.
A tree filters and recycles rainwater through its roots and leaves, and converts it in purified water. This 100% natural process is essential to the restocking and stability of groundwater levels.
Tree roots are essential for preventing landslides by holding the ground and fighting erosion, specially near riverbanks, slopes and mounds. In arid countries, trees form a natural barrier against desert progression.
Trees and forests host, feed and shelter 80% of all terrestrial animal species.
Sources of food (fruit, game, mushrooms...), firewood, timber and even medication, the trees and forests provide a livelihood to 1.6 billion people.