A recent report by the Potsdam Institute for Climate Impact Research, commissioned for the 16th Conference of the Parties to the United Nations Convention to Combat Desertification (UNCCD), reveals the alarming extent of land degradation and its wide-reaching consequences.
Over 1.5 billion hectares of land and 1.2 billion people globally are currently affected by degradation. This troubling trend is exacerbated by human activities such as unsustainable agricultural practices, deforestation, and urbanization, which push the planet further beyond six of the nine planetary boundaries. The planetary boundaries framework, a scientific model introduced in 2009, defines thresholds that, if crossed, can destabilize the Earth system.
Worryingly, the boundary for land-system change was breached as early as 1990. Today, only 60% of global forest cover remains, falling well below the safe threshold of 75%. Agriculture accounts for nearly 90% of deforestation, with cropland expansion dominating in regions such as Africa and Asia, and livestock grazing driving forest loss in South America.
この記事は The New Indian Express Kottayam の December 07, 2024 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 The New Indian Express Kottayam の December 07, 2024 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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