This Tuesday (28), a study carried out by United Nations Organization (UN) and specialized agencies, including the United Nations Development Program (UNDP), was released with new guidelines on nature.
The document highlights a worrying projection for several cities around the globe: by 2050, significant parts of them will be underwater due to rising sea levels.
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The affected cities include some in Brazil, such as Santos and Rio de Janeiro, promising to have a considerable impact on the lives of thousands of people by the date set by the organization.
The release of this study precedes the imminent UN Conference on Climate Change (COP28). According to research, rising temperatures will cause a significant increase in coastal flooding, with an estimated five-fold increase throughout this century.
This trend threatens to put more than 70 million people globally on the path to expanding flood barriers, highlighting the urgent challenges related to climate change that must be faced.
These significant changes are not limited to just Rio de Janeiro and Santos. In São Luís (MA) and Fortaleza (CE), the forecast is that 50 cm of these cities will be covered by rising water in less than 80 years.
Rio de Janeiro faces the expectation of an increase of 20 cm in sea level by the middle of the century, reaching 48 cm by the year 2100.
Over the past two decades, rising sea levels have triggered a worrying expansion in the extent of coastal flooding.
Currently, more than 14 million people around the world reside in seaside communities, facing an annual 1 in 20 chance of being flooded.
This impact is particularly pronounced in low-altitude regions along the coasts of Latin America, of Southeast Asia and Africa, places where the threat of permanent flooding is becoming increasingly imminent.
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