Negotiators from around the world began two weeks of talks on curbing climate change Sunday, three years after sealing a landmark deal in Paris that set a goal of keeping global warming well below 2 degrees Celsius (3.6 degrees Fahrenheit). Envoys from almost 200 nations gathered in Poland's southern city of Katowice, a day earlier than originally planned, for the UN meeting that's scheduled to run until December 14.
Flags hang outside of the venue for the COP24 global climate talks in Katowice, Poland. (AP Photo/Frank Jordans)
Smoke billows from chimney stacks of the heating and power plant in Bedzin, near Katowice, Poland. (AP Photo/Czarek Sokolowski)
Workers decorate the venue of the global climate summit that will be held at the site of the closed 'Katowice' coal mine in the city of Katowice, Poland. (AP Photo/Czarek Sokolowski)
A melting iceberg floats along a fjord leading away from the edge of the Greenland ice sheet near Nuuk, Greenland. (AP Photo/Brennan Linsley, File)
A bird flies past as smoke emits from the chimneys of Serbia's main coal-fired power station near Kostolac, Serbia. (AP Photo/Darko Vojinovic)
A man rides a bicycle through a part of Homs, Syria, devastated by the country's civil war. Numerous studies have said that the record setting drought in Syria was one of several causes of the country’s civil war that triggered a massive refugee crisis. (AP Photo/Dusan Vranic, File)
Demonstrators take part in a climate demonstration in Cologne, Germany. Thousands of people are marching in Berlin and Cologne to demand that Germany make a quick exit from coal-fired energy, a day before a UN climate summit opens in neighboring Poland. (Henning Kaiser/dpa via AP)
Demonstrators take part in a climate demonstration in Cologne, Germany. (Henning Kaiser/dpa via AP)
Demonstrators take part in a climate demonstration in Berlin. (Christoph Soeder/dpa via AP)
Demonstrators take part in a climate demonstration in Berlin. (Christoph Soeder/dpa via AP)