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Because of global warming, ice bergs are melting rapidly. That means polar bears’ habitats are disappearing. If we don't make any effort to curb climate change, this situation in the picture may be true in the future. I think that this picture is a warning for human kind. What we are doing now is damaging the environment and killing polar bears. I think curbing global warming is not only about protecting polar bears from extinction but also about saving the Earth.