Danish police clash with environmental activists at the United Nations Climate Change Conference in front of the Bella Convention Center in Copenhagen, Denmark. (Kay Nietfeld / EPA)
A young demonstrator poses in front of a police line outside the U.N. climate summit. (Jeff J Mitchell / Getty Images)
Protesters attempt to break through police lines outside the Bella Center, where the U.N. climate summit is taking place in Copenhagen, Denmark. Some demonstrators said they wanted to take over the conference and turn it into a “people’s assembly.” (Jeff J Mitchell / Getty Images)
Activists link arms outside the Copenhagen climate talks. (Axel Schmidt / AFP / Getty Images)
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Climate demonstrators march toward the Bella Center. (Jeff J Mitchell / Getty Images)
An environmental activist dressed as a clown takes part in a demonstration on the sidelines of the U.N. Climate Change Conference in Copenhagen, Denmark. (Kay Nietfeld / EPA)
Danish riot police scuffle with protesters during a demonstration outside Copenhagen’s Bella Center, when the United Nations Climate Change Conference is being held. Police said they detained more than 200 protesters. (Yoan Valat / EPA)
Police block demonstrators at near the Bella Center in Copenhagen. (Adrian Dennie / AFP / Getty Images)
