In the begining of 19th century, "Humboldt was the first to explain the fundamental functions of the forest for the atmosphere and the climate: the trees' ability to store water and to enrich the atmosphere with moisture, their protection of the soil, and their cooling effect. (...) The effects of the human species' intervention were already 'incalculable', Humboldt insisted, and could became catastrophic if they continued to disturb the world so 'brutally'. " in Andrea Wulf, 2016, The Invention of Nature. Image by Monica Pinheiro, license CC BY-NC-SA (CC)
