The Atmosphere-Ocean System

Woods Hole Oceanographic Institution: A gallery of animations and videos about oceanography. Maintained by WHOI.
Ozone Hole: Animation showing ozone hole development at Earth's poles. Maintained by the NASA Goddard Space Flight Center.
NOAA’s El Nino page: Questions and Answers, current information, and data regarding El Nino. Maintained by the National Oceanic and Atmospheric Administration.
Jason Project (Oceanography): This site contains information about various research projects about the ocean. Maintained by the Jason Foundation.
Oceanography from the Space Shuttle: A pictoral survey of oceanography and ocean processes, as seen from space. Maintained by NASA.

Globe Program: A worldwide network of students, teachers, and scientists working together to study and understand the global environment. Maintained by the National Oceanic and Atmospheric Administration.
Weather Satellite Imagery: GOES weather satellite pictures. Maintained by the Geosynchronous Operational Environmental Satellite Project.
Sea Ice: A module to help you learn about sea ice classification, observation, and climate impacts. Written by Claire Parkinson, NASA Goddard Space Flight Center.
National Climatic Data Center: This site contains the world’s largest active archive of weather data. Maintained by NCDC.

Greenhouse Gases Tutorial: General information and measurements regarding greenhouse gases. Maintained by the Athena Project.