The educational resources and activities on this Web site teach fundamental concepts about salinity variations and the role these changes play in controlling global ocean circulation and Earth?s climate. The modules augment existing El Nino/La Nina materials with salinity-based content, provide on-line interactive tools demonstrating environmental change through data sets and in situ time-series analysis, ... Full description.

This CD contains material for a series of live interactive Internet events during the 1999-2000 field seasons of the National Geographic Society's Sustainable Seas Expeditions. The three curriculum units on this CD feature clips, Web chat Q and A, labs, activities, and related resources materials. The units have also been mapped to National Science Education Standards, California, Texas, and Florida ... Full description.

This series of activities demonstrates effects of rising levels of greenhouse gases. Specifically, it shows how: an increase of heat-trapping gases atmosphere raises temperatures; higher temperatures affect the water cycle; and rising sea levels could affect coastal areas as a result of glacial and polar ice. Designed to teach through scientific inquiry, the activities seek to stimulate thought about ... Full description.

This curriculum packet contains three inquiry-based classroom activities that explore the potential impact of climate variability and change on Earth's most abundant resource: water. Although each activity is designed to tap specific skills and knowledge to yield scientific results, the broader intent is to stimulate thought about the long-term impacts of a warmer planet. Full description.

This ocean-science Web site allows users to learn about many important ocean processes, linked to teaching material and sources of real-time ocean data. The site also has complete college-level and graduate courses and textbook (which can be freely downloaded) in oceanography and physical oceanography. Full description.