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Abrupt Climate Change Recent and rapidly advancing evidence demonstrates that Earth's climate repeatedly has shifted dramatically and in time spans as short as a decade.
Global Warming Scientific observation has shown that the atmosphere near the Earth's surface is warming. This warming is just one one of many kinds of climatic change that have occurred in the past and will continue into the future. The question is: Have human activities altered the speed or intensity of climate change?
Ocean-Monitoring Systems Advances in observational technologies and monitoring instrumentation now provide unprecedented ability to monitor changes in our oceans and atmosphere and present new opportunities to understand the role of the oceans in climate change.