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Global warming is the most urgent environmental problem the world is facing. Possibly global warming
is our plague. For example, almost some people do not cut clearly envelope and recycle paper. It is wasting tree and destroying the Earth.
We have to protect the Earth from global warming. So we designed this envelope through the animal.
If you open the envelope, you will be able to see dangerouse animals on the iceberg and sentences.Then you will think about global warming whenever you use the envelope.Finally, we used to recycled paper for making this envelope and protecting the Earth.
Yongin, South Korea