Protester Mali Cooper blocked traffic the Sydney Harbour Tunnel | 7NEWS

In This Story: Australia

Australia, officially known as the Commonwealth of Australia, is a sovereign country comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands. It is the largest country in Oceania and the world’s sixth-largest country by total area.

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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: Mali

Mali, officially the Republic of Mali, is a landlocked country in West Africa. Mali is the eighth-largest country in Africa, with an area of just over 1,240,000 square kilometres. The population of Mali is 19.1 million. 67% of its population was estimated to be under the age of 25 in 2017. Its capital is Bamako.

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In This Story: Sydney

Sydney, capital of New South Wales and one of Australia‘s largest cities, is best known for its harbourfront Sydney Opera House, with a distinctive sail-like design.

• Population: 5.23 million (2018)

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