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The weather is extremely weird recently.

This is because it's hot and cold recently.

The weather was really hot the day before yesterday.

However,the weather became so cold yesterday.

Maybe the weather in the world has changed and become extremely weird.

In some places the strange weather has caused a lot of damage in the world.

One of the main reasons causing that problem is the global warming and it has endangered our lives.

In order to reduce global warming,it's everyone's duty to protect our earth.