There are three lessons in the Atmosphere is an important gas
composed of three oxygen atoms. Find out how ozone protects the
Earth and people. Discover which gases and processes are causing
the greenhouse effect and what will happen in the future. Find
out all about what is happening on the sun and how it affects us
here on Earth. Home | El Nino | Storms | Atmosphere | Fisheries
| Great Lakes | Oceans | Teacher Science with NOAA Research
September 18, 2006