Energy & Green Tech

Work starts on key German wind power energy line

Construction work has started on the long-delayed 700-kilometer (430-mile) power line that will transfer wind-generated electricity from northern to southern Germany, the economy ministry said Monday, pushed by an energy ...

Energy & Green Tech

Global tensions risk clean energy progress: IEA chief

The head of the International Energy Agency urged the United States and China to set aside their differences and align on climate change, warning in an interview Monday that "geopolitical fractures" risked holding back the ...

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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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