Earth and Its Resources
Huge coal diggers strip massive amounts of soil to reach coal seams.
© Grischa Georgiew.
Global environmental issues, oceans, weather, cycles of matter and energy, carbon, water, rock, landforms, fossil fuel, alternative energy
Dr. Gregory Vogt presents a series of videos focusing on what air is and its various properties.
Energy, Ecosystems and the AtmospherePresentation
Overview of the sources and flow of energy through ecosystems, and how the use and transfer of energy impacts our planetary ecosystems.
Physical Science of WaterPresentation
Water is unique among all liquids. David Caprette, PhD, discusses its remarkable properties and describes experiments to conduct with this common, crucial substance.
The Global Carbon CyclePresentation
Join Nancy Moreno, PhD, as she discusses Earth’s atmosphere, climate change, factors that influence the atmosphere, and other topics related to our planet’s carbon cycle.
The Rock Cycle and Plate TectonicsPresentation
The processes known as the rock cycle and plate tectonics continually recycle and remodel Earth's solid surface, and reshape its oceans and rivers.