- Forests create the atmosphere suitable for life on our planet, providing enough oxygen for breathing, and trees process carbon dioxide. Without forests, Earth would be a lifeless sphere with an unbreathable atmosphere or none at all.

- Trees grow throughout their long lives.

- Forests are truly the lungs of the planet. Without forests, there would be no ordinary life on Earth.

- On average, 15-20 grams of wood are used to produce one A4 sheet of paper.

- One of the hardest trees in the world is the Schmidt birch. This tree cannot be cut down with an axe.

- About a quarter of all forests on the planet are taiga.

- The most expensive wood species in the world is mahogany.

- The tallest tree in the world stands at 115 meters. It grows in the USA.

- Over 70% of Finland's territory is covered by forests. This is the most forest-rich country in Europe. The poorest is the UK, where forests cover only about 6% of the land.

- In Lithuania, there is a tree called "The Old One" that is about 2,000 years old.

- An oak's crown grows about one meter per year.

- Nearly two-thirds of Siberia is covered by forests.

- Worldwide, forests cover almost one-third of all land.

- The Earth loses nearly one hundred million trees every year.

- There are about sixty times more trees in the world than people.

- In a forest, a person's pulse rate decreases by fifteen to twenty beats per minute, and breathing becomes more even and calm.

- Trees obtain nine-tenths of all nutrients from the atmosphere and only one-tenth from the soil.

- Trees really do reduce the greenhouse effect. Additionally, they reduce noise pollution by acting as sound barriers.

- The most common tree in the world is the birch.

- The tallest trees in the world are sequoias.

- About eighty kilograms of recycled paper can save one tree from being cut down.

- One million trees produce about four million tons of paper.

- The USA ranks first in the world in annual paper consumption.

- On average, one tree produces about one hundred cubic meters of oxygen annually.

- Trees reduce air temperature by evaporating water through their leaves.

- In one year, an acre of trees can absorb as much carbon as a car produces driving 14,000 miles.

- Trees improve water quality by slowing and filtering rainwater, as well as protecting aquifers and watersheds.