Read this article about arctic warming, and then answer the following questions. Summarize the main idea of the article. What do you believe the author’s purpose was in writing it?

Answer:
The rising global temperature is causing Arctic warming, which may be triggering summer heat waves in some areas of the world. The author wrote the article to show another possible effect of climate change, even though the mechanism behind these heat waves is not completely understood yet.
Explanation:
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