UN General Assembly: World leaders meet in New York before summit

In This Story: Climate

Climate is the long-term average of weather, typically averaged over a period of 30 years. More rigorously, it is the mean and variability of meteorological variables over a time spanning from months to millions of years.

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In This Story: Climate Change

Climate Change is the name commonly given to the notion that the Earth is undergoing a changing climate as a result of human activity, including notable leaders, scientists and naturalists including Sir David Attenborough.

Climate change includes both the global warming driven by human emissions of greenhouse gases, and the resulting large-scale shifts in weather patterns.

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In This Story: New York

New York is a state in the northeastern U.S., known for New York City and towering Niagara Falls. NYC’s island of Manhattan is home to the Empire State Building, Times Square and Central Park. The Brooklyn Bridge connects Manhattan with the borough of Brooklyn. The iconic Statue of Liberty stands in New York Harbor. To the east, Long Island has beaches, the Montauk Lighthouse, the ritzy Hamptons and Fire Island.

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In This Story: United Kingdom

The United Kingdom, made up of England, Scotland, Wales and Northern Ireland, is an island nation in northwestern Europe.

The capital is London. The present monarch is Queen Elizabeth II.

The United Kingdom is the seat of the formerly extensive British Empire.

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In This Story: United Nations

The United Nations (UN) is an intergovernmental organization that aims to maintain international peace and security.

At its founding, the UN had 51 member states; with the addition of South Sudan in 2011, membership is now 193, representing almost all of the world’s sovereign states.

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