The Visual Guides series answers the most important questions on topics that fascinate everyone through a series of videos and animations: weather, the human body, the Earth, the universe and plants. It provides images of natural phenomena and explanations of fundamental concepts, and features the very latest discoveries in these areas.

Table of Contents

• EARTH'S ATMOSPHERE
• The Atmosphere
• Atmospheric Pressure
• The Movement of Air Masses
• Wind
• PRECIPITATION
• Humidity
• Cloud Formation
• Identifying Clouds
• Dew and Fog
• Rainbows
• Lightning and Thunder
• METEOROLOGY
• Measurement Instruments
• Measuring the Temperature
• Balloons and Radar
• Geostationary Satellites
• Polar-orbiting Satellites
• Weather maps
• CLIMATES
• The Seasonal Cycle
• Climates of the World
• Desert Climates
• Tropical Climates
• Polar Climates
• Temperate Climates
• El Niño and La Niña
• THE ENVIRONMENT
• The Biosphere
• Ecosystems
• Soil
• The Water Cycle
• The Carbon and Oxygen Cycles
• The Phosphorous and Nitrogen Cycles
• The Greenhouse Effect
• Global Warming
• The Ozone Layer
• POLLUTION
• Atmospheric Pollution
• Acid Rain
• Water Pollution
• Treatment of wastewater
• Soil Pollution
• Desertification
• Nuclear Waste
• Pollution of the Food Chains
• Selective Sorting of Waste
• Recycling