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LATEST NEWS UPDATES | Poor land use can cost the world $23 trillion by 2050

Poor land use can cost the world $23 trillion by 2050

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published Published on May 11, 2018   modified Modified on May 11, 2018
-Down to Earth

If the world spends even a fraction of the predicted loss, it can reverse land degradation, which affects the poorest the most

The world will lose $23 trillion by 2050 due to land degradation, warns a United Nations Convention to Combat Desertification (UNCCD) review. In comparison, only US $4.6 trillion, a fraction of the predicted losses, will be required to rectify what is one of the biggest threats to the environment.

Land degradation due to drought and desertification affects about 1.9 billion hectares of land and 1.5 billion people globally. Everyone is affected by degradation as land provides us many ecosystem services such as food, shelter and livelihood. In the next 25 years, land degradation may lead to a decline in global food production by up to 12 per cent, which might trigger a rise in food price by 30 per cent.

The review highlights the urgent need to prevent degradation and desertification. The review estimated that the average loss for 21 countries facing degradation was equivalent to 9 per cent of GDP and that it was higher for worse affected countries such as the Central African Republic, where the total losses are estimated at a staggering 40 per cent.

Asia and Africa bear the highest costs, estimated at US $84 billion and 65 billion per year respectively, added the review.

India loses 23 hectares of dryland to drought and desertification every minute, India's environment minister Harsh Vardhan said recently. In fact, nearly 30 per cent of the country’s land is degraded or facing desertification. Of India's total geographical area of 328.72 million hectares (MHA), 96.4 MHA is under desertification. In eight states—Rajasthan, Delhi, Goa, Maharashtra, Jharkhand, Nagaland, Tripura and Himachal Pradesh—around 40 to 70 per cent of land has undergone desertification. Moreover, 26 of 29 Indian states have reported an increase in the area undergoing desertification in the past 10 years.

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Down to Earth, 9 May, 2018, http://www.downtoearth.org.in/news/poor-land-use-can-cost-the-world-23-trillion-by-2050-60476


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