APES Unit 4 Part 1 Screencast

Unit 4 Earth Systems of Friedland Relyea 4th Edition screencast, covers topics 4.4 (Atmosphere), 4.5 (Global Wind Patterns), 4.7 (Solar Radiation & Earth's Seasons), 4.8 (Earth's Geography and Climate) and 4.9 (El Nino and La Nina)