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U.S. Global Change Research Program: 2 Resources

Ask Dr. Global Change offers a searchable collection of answers to questions about global warming, ozone depletion, greenhouse gases, and other issues related to climate change. Students can also submit...  (U.S. Global Change Research Program)
U.S. Global Change Research Program provides information designed to help understand, assess, and predict changes in the global environment. Topics include atmospheric composition, climate variability and change...  (U.S. Global Change Research Program)
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