The giant A-23A iceberg, floating since 1986, is now nearing its end as bright aquamarine meltwater pools spread across its surface. Scientists say the blue spots show the ice is weakening and breaking apart after its long drift in the Southern Ocean. Researchers are monitoring the collapse closely as a stark, visible reminder of climate change at work.
Antarctica’s tourism surge, fueled by both curiosity and fears that climate change may permanently alter the continent, is driving fresh concerns. Experts warn that more visitors can increase contamination, illness, and environmental strain. In response, tour operators and regulators are tightening conduct and hygiene rules to reduce the chances of spreading contaminants among tourists and the fragile ecosystem.
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