Includes natural processes within the climate system: orbital patterns, solar radiation, oceans, atmosphere, water cycle, the natural greenhouse effect, carbon cycle, regional climates and differences between climate and weather.

July 10, 2011
August 17, 2020

More than 90 percent of the warming that has happened on Earth over the past 50 years has occurred in the ocean. Not all of that heating is detectable yet at the surface. 

January 15, 2009

NOAA's Susan Solomon was awarded the 2009 Volvo Environment Prize for her pioneering contributions in atmospheric chemistry and physics.

This interactive module allows students and educators to build models that explain how the Earth system works. The Click and Learn application can be used to show how Earth is affected by human activities and natural phenomena.

The purpose of this hands-on activity is to demonstrate that air has weight and how this fact can be concretely illustrated. Eventually and through more experience gained by conducting mind-engaging activities, the learner will come to a basic understanding that a given volume of air at higher elevations is less dense and has fewer molecules per volume than a similar volume at lower elevations.

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