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Climate: these regions that will become too hot and uninhabitable in 2050, according to NASA

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The US space agency uses a thermal index to determine the viability of a region and predict places on Earth that will be, due to climate change, hostile to humans in the future.

While the latest IPCC report was released with great indifference, overshadowed by the start of the conflict in Ukraine, will this NASA study be able to change global climate policies? Using a heat index, the space agency combines several factors to determine whether a region is overheating or not.

This “heat index” includes the ambient air temperature and the relative humidity in the shade as well as the “wet bulb”. This last indicator presents the lowest temperature of an object or body that cools when moisture evaporates from it, explains Futura Science. This is the ability of our body to cool down during the phenomenon of sweating.

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Thus NASA estimates that a person cannot live in an environment if the “wet bulb” index is higher than 35°C for six hours. A common temperature these days…

Regions already exposed

With these established criteria, NASA has succeeded in defining the regions of the globe which could within 30 to 50 years become uninhabitable for humans. Unsurprisingly, there are many regions already exposed to climate risks. This is the case in subtropical regions of the Pakistan and gulf Persian.

Others, on the other hand, could become so within 30 to 50 years. We find the‘South Asia, countries in the Persian Gulf (Iran, Oman, Kuwait), countries bordering the Red Sea such as Egypt, Saudi Arabia, Sudan, Ethiopia, Somalia and Yemen. By 2070 the eastern chinaparts of Southeast Asia and the Brazil will not be affected by these thermal bubbles.

The index

The “wet bulb” index in the world between 1979 and 2017.
Nasa

Thanks to NASA’s space observation tools, scientists are able to identify heat episodes at regional levels. “These models allow us to zoom in on specific places to study their temperature and humidity in detail.”, indicates the space agency, which warns of potential uninhabitable areas in midwestern states like Arkansas, Missouri and Iowa.

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