I want to explain about "Green house effect" . Green house effect is a national effect . If it were not been for it, global average temperature would be -１８℃. but recently greenhouse effect is stronger than before. So, global temperature is wamer than before.
Many countris are in Erope. There are many atempt for stopping global warming there. Many countries tried to do it. we have a global and same problems. I think we must have cooporations and stop global warming together!!
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