The NOAA Environmental Technology Laboratory (ETL) presents its weather, climate, and air quality investigations. Visitors can discover ETL's theoretical and field observations and sensor and model developments to address complex environmental issues. The website provides detailed descriptions of the Study of Environmental Artic Change (SEARCH), the Rain in Cumulus over the Ocean Experiment (RICO) project, and other 2005 programs. Teachers can find educational resources for elementary, middle, and high school.