Every day, forests move astonishing amounts of water from the ground into the atmosphere. A single large tree can release hundreds of liters of water in a day, while entire forests lift the equivalent of rivers into the sky. This invisible process helps create clouds, influences rainfall, cools the planet, and sustains ecosystems across continents.

In this episode, we explore how trees pull rivers into the sky through the remarkable process of transpiration. We dive into plant biology, hydrology, ecology, atmospheric science, and environmental engineering to understand how roots absorb water, how microscopic tubes called xylem transport it upward against gravity, and how billions of tiny leaf pores release water vapor into the air.

We also explore capillary action, cohesion and adhesion, evaporation, the global water cycle, forest-cli ...