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Rainforests


            The future of the world's rainforests looks bleak. Half of the world's rainforests have been lost and much of what remains could be lost in the future. Today we will be looking into this issue and discussing it.
             There are many advertisements and documentaries on TV about saving the rainforests from been cut down. Some show us maps of the Sumatra's rainforests, which decrease in size every year. Sumatra's rainforests aren't the only forests, which are in trouble. Already ninety percent of Nigeria's forests have been cut down. Cambodia's tropical rainforests are also problem area with logging at five times normal level and large areas completely cleared. When people cut down rainforests they do not think about the damage that they are causing to the fragile ecosystem. This damage includes:.
              Only low amounts of rainfall is produced.
              No humus is produced causing loss of many plants and animals.
              Due to greater run off, erosion becomes worse and rivers are clogged up with silt.
              The environment becomes hotter and drier and there is less plant regeneration.
             But there are also many things that are being done to slow and eliminate this issue. There is a tropical forestry action plan, which was developed in 1985.This plan aims to promote better use of forest lands, fuel wood for a growing population, conservation of the rainforests flora and fauna and sustainable yields of timber. There are also organisations such as Greenpeace and World Wildlife Fund for Nature which educate the world's population and its leaders about the need to conserve the remaining areas of the forests more carefully. Another way in which this issue is treated is the building of biosphere reserves in which experiments are conducted by biologists, botanists, soil experts and others.
             Over three thousand tropical rainforest sites are now protected from logging and destruction thanks to all the organisations and helpers around the world.


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