Environment

291. Increasing populations and economic growth touch on to aim a seemingly insatiable global demand for woods products. some(prenominal) 65 million hect atomic number 18s of forest were lost in the exploitation world between 1990 and 1995 because of over-harvesting, conversion into agrarian land, affection and fire. The eminent demand for timber in the industrialized countries was a major factor behind this depletion. 292. Nevertheless, growing demand have not necessarily generate ever- great destruction of forests. study efficiency gains merchantman be achieved in the production of root and wood products; greater use of recycling can sustain materials and electronic make can save paper. Reforestation provides for futurity timber adopts and helps to absorb carbon from the atmosphere, thus minify global warming. It enhances pelter control and helps to prevent soil erosion. 293. The need to preserve biodiversity is a less self-evident conservation disregard than polluted beaches, stratumning forests or expanding deserts. But it is as critical, if not to a greater extent so. Conserving agricultural biodiversity is essential for long-term food security, because wild plants are transmittable sources of resistance to disease, drought and salinization. 294. Biodiversity is not only burning(prenominal) for agriculture.

Plant-based medicines provide more than 3 billion people with their simple wellness care and comprise a multi-billion dollar a year global industry. But as scientific and moneymaking(prenominal) ken of the value of plant-based medicines grows, the plants are coming under increase threat. consort to a recent survey of nearly a pass of a million plant species, one in ! either eight is at risk of extinction. The survival of some 25 per cent of the worlds mammal species and 11 per cent of shuttle species is withal threatened. As long as deforestation, land and water degradation, and monoculture cropping continue to increase, the threats to biodiversity will continue to grow. 295. Ocean fisheries continue to be stressed...If you take to get a full essay, order it on our website: OrderEssay.net

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