Cause and Effect: Worksheet

Rainforest destruction is now recognized as one of the greatest environmental tragedies of all time. By why are the rainforests disappearing so quickly ?

  • In 1800, there were 2.9 billion hectares of tropical forest worldwide. There are 1.5 billion hectares of tropical forest remaining.
  • Almost 65% of Central America has been cleared to create pastureland for grazing
  • Rainforest land cleared for pasture or farming degrades quickly and is usually abandoned.
  • At least 42 million acres of tropical forest are lost each year, approximately 100 acres/minute.
  • Between 1960-1990, 445 million hectares of tropical forest were cleared.
  • We lose 50 species every day – 2 species per hour – due to tropical deforestation.


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