Completar frases C22U4LB GE 1Versión en línea Write the correct expressions to complete the paragraph. por Modern English 1 together with with of on in Given view account In regard respect following with to to conjunction with of Environmental concerns , especially desertification , are growing . Desertification is a huge problem the loss of habitats and agricultural land . the problems that desertification causes , the United Nations adopted a convention in 1994 . This convention proposed returning land to its original state ( land rehabilitation ) programs of sustainable land management . Many countries signed up to the convention the economic problems that desertification was causing . Projects that have emerged the adoption of the convention include the mapping of desertification using satellite imagery a variety of educational programs . the severity of the issue , it appears that much more still needs to be done .
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