These countries could sink under the sea due to…, scientists warn temperature of ocean water could…, check full list here

As per scientists, global warming is melting polar ice sheets at a rapid pace, which is causing the sea levels to rise, a phenomenon which is expected to accelerate over the next few decades.

Written by: Gazi Abbas Shahid

Published: July 31, 2025, 5:34 PM IST

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Global warming and climate change, two interlinked phenomenon, have brought several coastal and island nations across the globe to the brink of devastation, to the point where they could end being swallowed by the sea in the near future, scientists have warned. Many of these countries are densely population and such a cataclysm could result in hundreds of thousands, if not millions of deaths in these regions.

Why these countries face a cataclysmic threat?

As per scientists, global warming is melting polar ice sheets at a rapid pace, which is causing the sea levels to rise, a phenomenon which is expected to accelerate over the next few decades. The rising temperature warms the ocean waters, which lead an increase in the volume, and directly impacts coastal countries and islands.

Which countries face the most danger?

According to experts, rising sea levels pose a severe threat to the majority of coastal countries, particularly island nations like Maldives, Tuvalu, Kiribati and Marshall Islands. A large portion of population in these countries lives near coastal areas, barely a few meters above sea level, and thus face the most danger when the sea levels rise.

Additionally, India’s neighbor, Bangladesh, also faces a similar threat in some of its coastal regions, which was highlighted during the 2023 flood when several coastal villages in the country were completely submerged in water, affecting millions of people. Following the flood, Bangladesh officials warned that most of the country’s coastal areas could sink under the sea in coming years if global warming continues at the current pace.

Rising sea levels are also a threat to island nations like Maldives and in 2023, the country’s government had announced plans to secure infrastructure against the impending danger. However, these efforts may not mean much if ocean levels continue to rise over the next few decades.

How climate change impact coastal cities like Mumbai?

Meanwhile, global bodies, including the United Nations, have flagged the threat faced by coastal cities like Mumbai, New York, and Shanghai, warning that these urban centers could unprecedented flooding in the near future, leaving hundreds of thousands dead, and millions homeless.