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- Atmosphere - NASA Earth Observatory
The Earth Observatory shares images and stories about the environment, Earth systems, and climate that emerge from NASA research, satellite missions, and models
- Ozone - NASA Earth Observatory
In the stratosphere, ozone is created primarily by ultraviolet radiation When high-energy ultraviolet rays strike ordinary oxygen molecules (O 2), they split the molecule into two single oxygen atoms, known as atomic oxygen
- Carbon Monoxide - NASA Earth Observatory
Colorless, odorless, and poisonous, carbon monoxide is one of the six major air pollutants regulated in the United States and in many other nations around the world When carbon-based fuels, such as coal, wood, and oil, burn incompletely or inefficiently, they produce carbon monoxide The gas is
- Volcanoes and Climate Change - NASA Earth Observatory
by Jason Wolfe September 5, 2000 : When Mount Pinatubo erupted in the Philippines June 15, 1991, an estimated 20 million tons of sulfur dioxide and ash particles blasted more tha
- Tango in the Atmosphere: Ozone and Climate Change - NASA Earth Observatory
Over recent decades the stratosphere has cooled while stratospheric ozone has decreased Low temperatures could be causing further ozone depletion, which may delay recovery of the ozone layer
- Climate and Earth’s Energy Budget - NASA Earth Observatory
Any changes to the Earth’s climate system that affect how much energy enters or leaves the system alters Earth’s radiative equilibrium and can force temperatures to rise or fall These destabilizing influences are called climate forcings Natural climate forcings include changes in the Sun’s
- World of Change: El Niño, La Niña, and Rainfall - NASA Earth Observatory
For many people, El Niño and La Niña mean floods or drought, but the events are actually a warming or cooling of the eastern Pacific Ocean that impacts rainfall
- Aurora Australis - NASA Earth Observatory
Red and green colors predominate in this view of the Aurora Australis photographed from the Space Shuttle in May 1991 at the peak of the last geomagnetic maximum
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