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  2. Environmental issues with coral reefs - Wikipedia

    en.wikipedia.org/wiki/Environmental_issues_with...

    The ramifications of climate change, notably global warming, induce an elevation in ocean temperatures that triggers coral bleaching—a potentially lethal phenomenon for coral ecosystems. Scientists estimate that over next 20 years, about 70 to 90% of all coral reefs will disappear.

  3. Effects of climate change on oceans - Wikipedia

    en.wikipedia.org/wiki/Effects_of_climate_change...

    There are many effects of climate change on oceans. One of the most important is an increase in ocean temperatures. More frequent marine heatwaves are linked to this. The rising temperature contributes to a rise in sea levels due to the expansion of water as it warms and the melting of ice sheets on land.

  4. Human impact on marine life - Wikipedia

    en.wikipedia.org/wiki/Human_impact_on_marine_life

    The biggest threat of ocean plastic pollution comes from microplastics. These are small fragments of plastic debris, some of which were produced to be this small such as microbeads. Other microplastics come from the weathering of larger plastic waste. Once larger pieces of plastic waste enter the ocean, or any waterway, the sunlight exposure ...

  5. Five graphics that show some of the biggest threats facing ...

    www.aol.com/news/five-graphics-show-biggest...

    From the Antarctic ice sheet to the Amazon rainforest, the consequences of climate change can be seen right now – but it’s not the only threat to the natural world. In a series of graphics, we ...

  6. Environmental threats to the Great Barrier Reef - Wikipedia

    en.wikipedia.org/wiki/Environmental_threats_to...

    A major coral bleaching event took place on this part of the Great Barrier Reef. The Great Barrier Reef is the world's largest reef systems, stretching along the East coast of Australia from the northern tip down at Cape York to the town of Bundaberg, [1] [2] is composed of roughly 2,900 individual reefs and 940 islands and cays that stretch for 2,300 kilometres (1,616 mi) and cover an area of ...

  7. Effects of climate change - Wikipedia

    en.wikipedia.org/wiki/Effects_of_climate_change

    Some climate change effects: wildfire caused by heat and dryness, bleached coral caused by ocean acidification and heating, environmental migration caused by desertification, and coastal flooding caused by storms and sea level rise. Effects of climate change are well documented and growing for Earth's natural environment and human societies. Changes to the climate system include an overall ...

  8. Marine heatwave - Wikipedia

    en.wikipedia.org/wiki/Marine_heatwave

    This problem was already identified in 2007 by the Intergovernmental Panel on Climate Change (IPCC) as the greatest threat to the world's reef systems. [43] [44] The Great Barrier Reef experienced its first major bleaching event in 1998. Since then, bleaching events have increased in frequency, with three events occurring in the years 2016 ...

  9. United Nations Ocean Conference - Wikipedia

    en.wikipedia.org/wiki/United_Nations_Ocean...

    The event coincided with the World Oceans Day on 8 June and started with the World Environment Day on 5 June. [1] [90] [63] [91] [92] On 4 June the World Ocean Festival took place at New York City's Governors Island. The festival was hosted by the City of New York, organized by the Global Brain Foundation and was free and open to the public ...

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