In the words of UNESCO, climate change and the warming of the oceans have affected the Great Barrier Reef GBR, the world's biggest coral reef ecosystem. Hence, it is in danger. Frequent bleaching events pose a threat to the reef. There have been four incidents of bleaching over the last seven years and the first this year during a La Nina phenomenon. This typically brings cooler temperatures. Bleaching happens when the water warms, the corals lose the colorful algae living in their tissues and turn white. The UNESCO report recommended shifting the Great Barrier Reef to endangered status. It was the outcome of a 10-day mission in March to the reef off Australia's northeast coast that was added to the World Heritage list in 1981. However, Australia does not agree. Its environment minister said her government would lobby against this recommendation by a UN panel. Australia argues against Great Barrier Reef's recommended endangered status. The GBR contributes to the economy of Australia. Its heritage status attracts tourists and in case of an endangered tag, it could lose the heritage status. Prior to COVID-19, it attracted two million tourists every year and provided employment to thousands of people.
Officials from the UN cultural agency and the International Union for Conservation of Nature reported that in the absence of an "ambitious, rapid and sustained" climate action, the GBR is in peril. Environment minister Tanya Plibersek said the new centre-left Labor party government that has come to power has already addressed several of the report's concerns, including action on climate change. She said the new government has legislated to commit Australia to reduce its greenhouse gas emissions by 43 percent below the 2005 level by 2030. The previous government had committed to a reduction of 26 percent to 28 percent by the end of the decade. As managing director Anna Marsden said - "The Great Barrier Reef is a wonder, she's got her challenges, but she's definitely not on her last legs in any case."
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