This document discusses key concepts relating to the atmosphere and climate including the greenhouse effect, weather, climate, climatic elements such as temperature, humidity, air pressure, wind and precipitation. It also outlines the instruments used to measure these elements like thermometers, hygrometers, rain gauges, barometers, anemometers and wind vanes. Finally, it touches on climatic factors that influence climate such as distance from the ocean, relief, altitude and latitude as well as seasons, climatic change, weather maps and forecasts.
