一篇通俗易懂的change the changeable作文

From the weather report and the news, you may notice that the climate is so changeable recently.
The changeable climate could do harm to the creatures in the world. For example, it is reported that recently because of the decreasing of the ice in north pole, the number of the norh pole bear has been reduced. A picture showed a north pole bear died from hunger and the terrible weather. Some news also said the dirts in the air increased so quickly that the enviroment has been greatly polluted in many big cities.