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During the past couple of years there have been major changes to the Great Barrier Reef of Queensland, Australia. Threats to the reef have increased steadily over the years despite the work of the authorities. Therefore, the reef has undertook a massive change in its ecosystem. Some of these include:

  • Harmful substances such as toxic chemicals, sewage and rubbish are threatening the vast range of plants and animals that live on the reef.
  • Climate change and global warming have largely affected the environment of the Great Barrier Reef, bleaching the coral and killing off certain plant and animal species.
  • Overfishing is also a threat as the once many species of colorful fish are now gone forever as the result of disrupting the food chain.
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