Transpiration is the process by which plants release water vapour through their leaves, mainly via the stomata, but also through the leaf’s outermost waxy layer. The process is a crucial part of the water cycle and the plant’s transport of nutrients, which are carried up from the roots along with the water. However, it also helps the plant regulate its temperature, as the water vapour cools the leaves.
Through transpiration, plants release moisture from the soil into the atmosphere, thereby affecting the Earth’s precipitation and humidity.
Links
ReThink – Plant Knowledge
Skogen – Transpiration 
May 2026, TÄNKOM | Revised August 2026, RETHINK
