Emphasis on earth as a complex system in which interactions play a decisive role, e.g., plate tectonics, volcanism and the development of atmospheres 
(interactions; play; a decisive role, e.g., plate tectonics, volcanism and the development of atmospheres; L:a complex system)
interactions
play
a decisive role, e.g., plate tectonics, volcanism and the development of atmospheres L:a complex system