The Gravity Recovery and Climate Experiment (GRACE) mission uses twin satellites to make detailed measurements of Earth's gravity field. GRACE materials include a description of the mission, research projects, and personnel. There are also links to news articles, publications, datasets, and software tools for processing gravity data. Full description.

This portal provides access to learning materials derived from the Gravity Recovery and Climate Experiment (GRACE) mission. These include a large set of activities for students at all levels, tested and aligned to the national education standards. Topics include satellites and gravity; the weather, climate, and atmosphere; and the oceans. There is also a coloring and activity book, posters and illustrations ... Full description.

This page contains information and photographs related to climate change and its impact. The World View of Global Warming project is documenting this change through science photography from the Arctic to Antarctica, from glaciers to the oceans, across all climate zones. Full description.

In this activity, students will use pre-marked paper strips to simulate tree ring core samples to investigate past climate conditions. They will understand that climate information can be gathered from sources beyond long-term weather observations, and learn to recognize the impact of climate on annual tree growth patterns. Full description.