The changing surface of earth
Natural Resources
Geothermal
Three things we learned last year
Pollution
Natural resources
Earth,Moon and sun
Credits:
Created with images by WikiImages - "galaxy barred spiral galaxy eridanus constellation" • marylb0 - "Weathered rock" • James St. John - "Turret Arch (Arches National Park, eastern Utah, USA)" • Garden State Hiker - "Coastal Cliffs" • jess_star87 - "P1150792" • subarcticmike - "Glaciofluvial" • subarcticmike - "rebounding beach, among other things" • Dimitry B - "Crossing the Krossa river, Iceland" • James St. John - "Folded gyprock (Castile Formation, Upper Permian; State Line outcrop, southern Eddy County, New Mexico, USA) 7" • Rob Young - "Haukadalur Geothermal Area" • indi.ca - "Pineapple Seller" • kateausburn - "Solar Panels in Maules Creek" • GuillaumePreat - "space planet earth"