TEN SIGNS OF A WARMING WORLD

Humidity


Measurements over land and water show more water vapor in the air.
The air feels stickier when it's hot, and air conditioners have to work harder for us to feel comfortable.

Data Trends


Specific Humidity Time Series Data Plot

Feature Articles



Drought Baking the Southern United States
An intense drought has gripped the southern tier of the United States for several months, accompanied by destructive wildfires, low water supplies, and failed crops. Dry conditions emerged as early as October of last year…

Videos/Multimedia


Climate and Weather
This video discusses the differences between climate and weather by defining and presenting examples of each. When presenting examples of weather, the video focuses on severe events and how...
The Ecology of Climate Change
This video focuses on the conifer forest in Alaska to explore the carbon cycle and how the forest responds to rising atmospheric carbon dioxide. Topics addressed in the video include wildfires...
Water Vapor
Water is constantly cycling through the atmosphere. Water evaporates from the Earth's surface and rises on warm updrafts into the atmosphere. It condenses into clouds, is blown by the wind...

Find Reviewed Humidity Related Educational Resources

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These resources come from the CLEAN project, a part of the National Science Digital Library. This collection provides a scientific and education reviewed collection of resources coupled with the tools to enable an online community to share and discuss teaching about climate and energy science. NOAA is a partner in the CLEAN project.
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