HL 4.2 Planetary Boundaries for Water
In this activity, we will examine the Planetary Boundary for Water. Planetary Boundaries 2025 Student Task The Planetary Boundary for Freshwater Change contains two bars, one for Blue Water, and one for Green Water. Blue Water is the freshwater found in rivers, lakes, reservoirs and groundwater stores. The extraction of water from rivers, lakes, and groundwater and the water frozen in glaciers and polar ice caps,...