Along shifting coastlines, scientists bring the future into focus

In the wet, muddy places where America's rivers and lands meet the sea, scientists from the Department of Energy's Oak Ridge National Laboratory are unearthing clues to better understand how these vital landscapes are evolving ...

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Climate change

Climate change is any long-term change in the statistics of weather over periods of time that range from decades to millions of years. It can express itself as a change in the mean weather conditions, the probability of extreme conditions, or in any other part of the statistical distribution of weather. Climate change may occur in a specific region, or across the whole Earth.

In recent usage, especially in the context of environmental policy, climate change usually refers to changes in modern climate (see global warming). For information on temperature measurements over various periods, and the data sources available, see temperature record. For attribution of climate change over the past century, see attribution of recent climate change.

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