The effects of extreme heat will hit 90% of the world's population
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According to scientists, the world's population will face a potential increase in social inequality and the inability to reduce carbon dioxide emissions into the atmosphere.
Warming is predicted to exacerbate these dangers dozens of times around the world at the highest levels of emissions, according to a report published in the journal Nature Sustainbility, writes Oxford.
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These modern threats can have serious socio-economic and environmental impacts that can exacerbate social inequalities. After record temperatures in 2022, from London to Shanghai, temperatures are forecast to rise further around the world. According to an article by Dr. Jiabo Yin, visiting researcher at Wuhan University and Oxford professor Louise Slater, when assessed together, the associated threats of heat and drought pose a significantly higher risk to society and ecosystems than when either of these factors is considered independently.
< p>Scientists fear that the socio-economic and environmental consequences of these threats will have a greater impact on poor people and rural areas, increasing the problem of social inequality.
The frequency of extreme combined hazards worldwide is predicted to increase tenfold due to the combination of global warming and declining surface water supplies. Scientists predict that more than 90% of the world's population will be exposed to risks in the future.
Dr. Yin says: “Using a large model simulation…and a new machine learning-generated carbon budget dataset, we are quantifying the response of ecosystem productivity to heat and water stressors on a global scale.”
He argues that the simulation results show the devastating impact of a complex threat on the outside world and the international economy. Limited water availability will affect the ability of “carbon sinks” – natural biodiverse regions – to absorb carbon emissions as well as oxygen production.
Professor Slater says: “Understanding the increasing hazards of a warming Earth is essential to realizing the goals UN Sustainable Development Goal 13 on climate change and its impacts By linking atmospheric dynamics and hydrology, we explore the role of water and energy balances in causing these extreme events.
” This work has far-reaching implications in broad areas of sustainable development, including climate science, hydrology, ecology, water resources and risk assessment,” concluded Dr. Jiaobo Yin.