The carbon dioxide level has risen to 415 parts per million (ppm) from 280 ppm at the preindustrial level, around the year 1800. In the year 2013, carbon dioxide levels surpassed 400 ppm for the first time in recorded history. At its Mauna Loa observatory in Hawaii, the carbon dioxide measurement had a reading of about 410 ppm in 2019, 413 ppm in 2020, and 415 ppm in 2021. That is, we are adding at least two ppm of carbon dioxide to the Earth's atmosphere every year. Today, carbon dioxide levels are higher than at any point in at least the past 800,000 years.
この記事は Scientific India の January - February 2022 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
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この記事は Scientific India の January - February 2022 版に掲載されています。
7 日間の Magzter GOLD 無料トライアルを開始して、何千もの厳選されたプレミアム ストーリー、9,000 以上の雑誌や新聞にアクセスしてください。
すでに購読者です? サインイン
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