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Today, global temperatures are significantly higher than historical averages, with the Earth's surface temperature rising about 1.1 degrees Celsius since the late 19th century, primarily due to human activities like burning fossil fuels. Ocean temperatures have also increased, with the upper layers warming by approximately 0.6 degrees Celsius since the 20th century, leading to coral bleaching and altered marine ecosystems. These changes are unprecedented in the context of the past several thousand years, highlighting the urgency of addressing climate change.

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1mo ago

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