
All About Humidity - Education
At 100 percent relative humidity, the air is completely saturated with water vapor. If the air cools a little, such as rising to a higher altitude, the water vapor can condense as fog, clouds, and …
All About Climate - Education
state of the atmosphere, including temperature, atmospheric pressure, wind, humidity, precipitation, and cloudiness.
Humidity - National Geographic Society
Oct 19, 2023 · Humidity is blamed for all kinds of negative things, including mold in your house (usually the bathroom, where it's wet much of the time), as well as malfunctions in regular …
Köppen Climate Classification System - National Geographic Society
Jul 19, 2024 · The Köppen climate classification system is one of the most common climate classification systems in the world. It is used to denote different climate regions on Earth …
The Chicago Fire of 1871 and the 'Great Rebuilding' - Education
On October 8, 1871, a fire broke out in a barn on the southwest side of Chicago, Illinois. For more than 24 hours, the fire burned through the heart of Chicago, killing 300 people and leaving one …
Biomes - National Geographic Society
A biome is an area classified according to the species that live in that location. Temperature range, soil type, and the amount of light and water are unique to a particular place and form …
Desert - National Geographic Society
Oct 28, 2025 · Although humidity is high, the atmospheric changes that normally cause rainfall are not present. A coastal desert may be almost totally rainless, yet damp with fog.
The Five Major Types of Biomes - Education
A biome is a large area characterized by its vegetation, soil, climate, and wildlife. There are five major types of biomes: aquatic, grassland, forest, desert, and tundra, though some of these …
The Influence of Climate Change on Extreme Environmental Events
Oct 19, 2023 · Climate change affects global temperature and precipitation patterns. These effects, in turn, influence the intensity and, in some cases, the frequency of extreme …
Ocean Currents and Climate - Education
Jul 31, 2025 · Scientists across the globe are trying to figure out why the ocean is becoming more violent and what, if anything, can be done about it. Ocean currents, including the ocean …