Earth Wind Fire and Water have shaped humanity, technology, geology and biology. 

Earth: Our place in the galaxy, Mountains to Sand, Coral-Reefs to Limestone, Mud  to Shale and Granite. 

Wind: Weather, Microbes, Lichen, Trees and Forests.

Fire: Volcanoes, Grasslands,Insects, Birds and Animals.

Water: Ice, Rainbows, Waterfalls and the Value of Water.