Engineering

Researchers propose air conditioners as climate-change remedy

Scientists have an idea that could make you feel more like a green citizen than hedonist if you buy an air conditioner for your living quarters. There is a way that could use the units to fight climate change. OK, let us ...

Energy & Green Tech

World fritters away half trillion dollars on coal support

Nations around the world risk wasting $640 billion by continuing to prop up the coal industry rather than investing in less expensive and environmentally friendlier wind and solar power initiatives.

Energy & Green Tech

Offshore wind farms could power much of coastal China: study

Under the Paris Climate Agreement, China committed to rely on renewable resources for 20 percent of its energy needs by 2030. Currently, the country is on track to double that commitment, aiming to hit 40 percent by the next ...

Engineering

Researchers find solar photovoltaics benefits outweigh costs

Over the past decade, the cost of solar photovoltaic (PV) arrays has fallen rapidly. But at the same time, the value of PV power has declined in areas that have installed significant PV generating capacity. Operators of ...

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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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