~89~89
people who could shelter in the shade
108 m² of canopy over the ground
~4~4
m³ of rain retained every year
~0~0
t of fertile soil saved every year
like 1 m² covered by 1 cm of soil
~0.1~0.1
°C cooler felt under the trees
in the hottest hours, with crowns over 2% of the ground
