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Sea level
Global warming is effecting the Bahamas by raising the sea levels of the ocean, which will cause there to be less land that actually makes up the Bahamas. This can actually make all of the Bahamas a smaller country because more land is being put under water to the rising sea level,
Warmer ocean temperatures are also now understood to cause coral bleaching. Rising levels of carbon dioxide (greenhouse gas emissions) are also decreasing the pH level of the ocean, known as ocean acidification. Evidence suggests that this will have a profound effect on the entire marine ecosystem.
All of these effects are very gradual, including the sea level rise, and the storms.
Global warming puts coral reefs in danger as warmer water increases the possibility of coral diseases and Global warming raises sea levels, and that could threaten cities in a number of states. Sea levels have risen about seven inches in the last 100 years, which is more than in the previous 2,000 years combined, according to Do Something, a nonprofit aimed at empowering young people. And they could rise another 19 inches by 2050. That means cities like New Orleans and Miami could start to look like Venice. Rising water levels can also put fragile coral reefs in danger. Coral relies on sunlight, which could become scarce as water levels rise. the rising sea levels makes it more difficult for coral to receive adequate sunlight.

Stroms
The Bahamas will be increasingly affected by extreme weather events, including higher-intensity hurricanes and consequent flooding. The incidence of Category 4 and 5 storms in the North Atlantic (between the United States and The Bahamas) is projected to increase notably, producing estimated losses of $2.4 billion over the next few decades.
Global warming doesn't create hurricanes, but it does make them stronger and more dangerous. Because the ocean is getting warmer, tropical storms can pick up more energy and become more powerful. So global warming could

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