1. How do the earth systems affect each other? An example of earth systems interacting with each other is how tsunamis are formed. Some tsunamis are formed in the middle of the when tectonic plates shirt or move causing the water to create waves this is the geosphere and the Hydrosphere interacting. 2. How can an understanding of environmental science aid in handling natural disasters? Knowing and being aware of the environment can help you prepare for natural disasters. For example, shelters were made as something to prepare for a tornado 3. What efforts can we make to create a sustainable future? Figure out a way to cool the earth's surface to slow down global warming.