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During those three decades, drylands expanded worldwide by 4.3 million sq. km (1.66 million sq. mi.), an area nearly a third larger than the nation of India. And when the UNCCD says dry, they mean ...
Drylands cover 41.3% of the Earth's land surface, including 15% of Latin America, 66% of Africa, 40% of Asia, and 24% of Europe. There is a significantly greater proportion of drylands in developing countries (72%), and the proportion increases with aridity : almost 100% of all hyper-arid lands are in the developing world.
During the summer of 2022, parts of Europe experienced drought conditions exacerbated by heat waves. [1] This was preceded by a warm and dry spring. On 9 August, a senior European Commission researcher said that it seemed to be Europe's worst year in 500 years. [2] A report from the Global Drought Observatory has confirmed this. [3]
For example, Europe on average imports over 50% of its food. Meanwhile, 44% of agricultural land is located in dry lands and it supplies 60% of the world's food production. Desertification is decreasing the amount of sustainable land for agricultural uses but demands are continuously growing.
However, more intense climate change is still expected to increase the current extent of drylands on the Earth's continents: from 38% in late 20th century to 50% or 56% by the end of the [which?] century, under the "moderate" and high-warming Representative Concentration Pathways 4.5 and 8.5. Most of the expansion will be seen over regions such ...
Climate change because it can "exacerbate land degradation, particularly in low-lying coastal areas, river deltas, drylands and in permafrost areas" [8] Soil erosion in a wheat field near Pullman, US. High population density is not always related to land degradation. Rather, it is the practices of the human population that can cause a landscape ...
Dryland farming caused a large dust storm in parts of Eastern Washington on October 4, 2009. Courtesy: NASA/GSFC, MODIS Rapid Response [1]. Dryland farming has evolved as a set of techniques and management practices to adapt to limited availability of water, as in the Western US and other regions affected by climate change for crops such as tomato and maize.
In Europe, this climate only occurs in some inland parts of southeastern Spain, such as in Lorca. [ 7 ] [ 6 ] Polar climate desert areas in the Arctic and Antarctic regions receive very little precipitation during the year owing to the cold, dry air freezing most precipitation.