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The earth has been changing all over them time it has been created. Some good and some bad. There are more bad things happening than good things. Climate change is a big part of it. Climate change is caused by us not taking care of the earth and the earth getting warmer. In the arctic, lots of animals depend of the ice and the cold to survive and grow. For example, the polar bear hunts for seals. It depends on the ice with no escape holes to hunt and eat. Every winter, cold places like the arctic are becoming warmer every winter. This is why we need to stop polluting the air and stop littering. This is why we need to stop climate change.