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"The Impact of Climate Change on Public Health: A Global Perspective"

Updated: May 18, 2024

We are facing climate change in our life

Climate change refers to long-term shifts in temperatures and weather patterns. These shifts may be natural, but since the 1800s, human activities have been the main driver of climate change, primarily due to the burning of fossil fuels (like coal, oil, and gas), which produces heat-trapping gases.


Climate change is the single biggest health threat facing humanity. Climate impacts are already harming health, through air pollution, disease, extreme weather events, forced displacement, pressures on mental health, and increased hunger and poor nutrition in places where people cannot grow or find sufficient food.

  • Heat-trapping Greenhouse Gases And The Earth's Climate. ...

  • Greenhouse Gases. ...

  • Reflectivity or Absorption of the Sun's Energy. ...

  • Changes in the Earth's Orbit and Rotation. ...

  • Variations in Solar Activity. ...

  • Changes in the Earth's Reflectivity. ...

  • Volcanic Activity.

10 Causes of Global Warming

#1. Power plants. ...

#2. Agriculture. ...

#3. Vehicles and transport. ...

#4. Landfills. ...

#5. Offshore drilling. ...

#6. Fracking. ...

#7. Deforestation. ...

#8. Overfishing.


Climate change has an increasingly large impact on the environment. Deserts are expanding, while heat waves and wildfires are becoming more common.[6] Amplified warming in the Arctic has contributed to thawing permafrost, retreat of glaciers and sea ice decline.[7] Higher temperatures are also causing more intense storms, droughts, and other weather extremes.[8] Rapid environmental change in mountains, coral reefs, and the Arctic is forcing many species to relocate or become extinct.[9] Even if efforts to minimise future warming are successful, some effects will continue for centuries. These include ocean heating, ocean acidification and sea level rise.


The effects of climate change are impacting humans everywhere in the world.[232] Impacts can be observed on all continents and ocean regions,[233] with low-latitude, less developed areas facing the greatest risk.[234] Continued warming has potentially "severe, pervasive and irreversible impacts" for people and ecosystems.[235] The risks are unevenly distributed, but are generally greater for disadvantaged people in developing and developed countrie


The World Health Organization (WHO) calls climate change the greatest threat to global health in the 21st century.[237] Extreme weather leads to injury and loss of life.[238] Various infectious diseases are more easily transmitted in a warmer climate, such as dengue fever and malaria.[239] Crop failures can lead to food shortages and malnutrition, particularly effecting children.[240] Both children and older people are vulnerable to extreme heat.[241] The WHO has estimated that between 2030 and 2050, climate change would cause around 250,000 additional deaths per year. They assessed deaths from heat exposure in elderly people, increases in diarrhea, malaria, dengue, coastal flooding, and childhood malnutrition.[242] By 2100, 50% to 75% of the global population may face climate conditions that are life-threatening due to combined effects of extreme heat and humidity


 
 
 

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