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Rising temperatures to threaten over 2 billion lives by 2100

heat wave

Posted: Saturday, August 12, 2023. 8:13 am CST.

By Breaking Belize News Staff: As global warming becomes an increasing concern, recent findings indicate the severity of the threat it poses to billions of lives. By the end of this century, an estimated 2 billion people could be living in regions with unprecedented heat levels, potentially prompting a significant reshaping of global habitability.

According to a recent report from Science Hub, cited by Yahoo News, the world’s average temperature has surged by nearly 1.2 degrees Celsius (2 degrees Fahrenheit) above the preindustrial benchmark, primarily attributed to human activities. The ambition of the Paris Agreement was to halt this temperature surge, proposing a cap of a 2.7 degrees Fahrenheit increase.

However, the stark reality presented by new research suggests otherwise. If the present trajectory continues, considering current legislation, the anticipated population growth, and environmental conditions, we might witness a temperature spike of about 4.8 degrees Fahrenheit above preindustrial levels, as mentioned by Science Hub.

Defining regions with “unprecedented heat” as those where the average annual temperature surpasses 84.2 degrees Fahrenheit, Science Hub reveals that the number of people living in such zones has grown exponentially. While 40 years ago, the number stood at 12 million, today, the figure is a staggering 60 million. By the end of the century, this number might jump to an alarming 2 billion out of an estimated 9.5 billion global population. Notably, countries situated around the equator such as India, Nigeria, Indonesia, the Philippines, and Pakistan are expected to be hardest hit, as highlighted by Science Hub.

Increasing temperatures bring with them a slew of issues. As per Science Hub with rising temperatures, we can expect more frequent heat waves, severe droughts, and devastating wildfires. The heat has also been linked to the spread of infectious diseases, decreased labor productivity, and an uptick in conflicts.

Reflecting on the implications, Tim Lenton, a study author and director of the Global Systems Institute at the University of Exeter, commented to ScienceAlert, “That’s a profound reshaping of the habitability of the surface of the planet, and could lead potentially to the large-scale reorganization of where people live.”

According to Science Hub, meeting the goals of the Paris Agreement could significantly reduce the number of people affected by these temperature surges. The difference is stark; if the Agreement’s objectives are met, the affected population would be restricted to half a billion instead of the projected 2 billion.

While global efforts continue, individuals are advised to remain vigilant and employ measures to protect themselves during heat waves.


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