How Can Climate Change Affect Human Health

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In recent years, we have seen rising temperatures and extreme weather events significantly affect the health of people around the world.

How Can Climate Change Affect Human Health

How Can Climate Change Affect Human Health

According to the UN’s Intergovernmental Panel on Climate Change (IPCC), more than three billion people live in areas that are “highly vulnerable” to climate change. Many people already feel the health impacts of climate change, and without immediate action these are doomed to worsen.

Climate Change And Human Health

Global warming is a long-term increase in the Earth’s average temperature caused by increased levels of greenhouse gases in the atmosphere. Emissions from the fossil fuels we burn (such as coal, oil) are the main cause of dangerous increases in greenhouse gases.

This warming, in turn, warms the oceans and causes changes in the timing, geographic location, and intensity of weather and climate events, as well as sea level rise. We call this climate change.

Extreme weather and climate events such as droughts, floods and heat waves are increasing in severity and frequency around the world.

About a third of heat-related deaths are already linked to climate change, and severe weather disasters caused by climate change have increased fivefold over the past 50 years, killing more than 2 million people.

World Health Day 2022: How Does Climate Change Affect Our Health?

Heat-related illnesses such as heat stroke, hypothermia and chronic kidney disease are on the rise. A growing body of evidence shows us the risks of high temperatures for maternal and newborn health, mental health, and chronic infectious diseases such as asthma and diabetes.

If the Earth warms by 2°C, one billion people around the world will be at risk of heatstroke. Professor Jan Palutikov tells us about his research on interventions that can help.

The health impacts of these climate risks don’t stop there. From the spread of infectious diseases through floods or hot weather to the disruption of food systems due to extreme weather, the effects of climate change are felt everywhere and hit the world’s most vulnerable populations.

How Can Climate Change Affect Human Health

We are already seeing the effects of climate change on food and water systems in many parts of the world.

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Rising temperatures threaten water security by increasing evaporation, changing precipitation patterns, and causing more frequent snowfall as rain. This could also create difficult conditions for many agricultural and livestock sectors, with staple crops such as wheat, rice, wheat and soybeans (the staple of the world’s diet) following a downward trend due to warming temperatures. .

The sudden loss of food production and access to food, along with a decrease in dietary diversity, has been associated with increased rates of malnutrition in many communities. A warm climate provides an ideal environment for food and waterborne infections to thrive.

If temperatures rise above 2°C, regions that rely on glaciers and snowmelt could see a 20% reduction in water for agriculture after 2050. In Asia alone, 800 million people depend on glaciers for fresh water.

As the world continues to cool, these events will worsen, undoing years of progress in addressing food and water security that still affects the world’s most disadvantaged populations.

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The climate crisis is changing the world’s water. Read on to understand how the world feels about health impacts.

Climate change is a major factor in the emergence of diseases in new regions of the world. The presence, reproduction, reproduction, and distribution of pathogens, vectors, and hosts may be affected by changes associated with global warming.

Extreme weather events create ideal conditions for the spread of infectious diseases such as cholera. As global temperatures rise, tropical diseases are also expanding their range.

How Can Climate Change Affect Human Health

Many new infectious diseases are emerging in these tropical regions, where tropical pathogens and vector life cycles are suitable. Vector-borne pathogens are a growing threat to human health. Now they are multiplying.

Climate Change And Health Care

For example, because of climate change, mosquitoes and the diseases they carry (malaria, dengue, Zika, etc.) can spread and live at higher altitudes, and precipitation supports the creation of habitats for breeding vectors. . This increases the world’s rate of fatal diseases.

Read more about how global warming is spreading the effects of many diseases and putting the health of millions at risk.

Climate change and higher temperatures are associated with an increase in allergens and harmful pollutants in the air we breathe. This can indicate several health risks:

These impacts on air quality are not uniform across the globe. For example, drought-prone areas may experience poorer air quality due to forest fires or smog, while cities may experience higher air quality from traffic and commercial burning.

April 2021: How Our Health Is Harmed By Climate Change — Publichealthmaps

The effects of global warming affect every aspect of society, from the food we eat and the cities we live in, to our jobs, sports and politics.

It has already happened. In 2022, 490 billion potential working hours were lost due to heatstroke, severe flooding affected 33 million people in Pakistan, and 62,000 people died in Europe during the summer.

The complex physical and mental health effects of these outcomes are difficult to measure and are often associated with many other risk factors. However, as the world cools, the risks of direct and indirect threats from sea level rise and climate change will become increasingly prominent.

How Can Climate Change Affect Human Health

Jane Bracher reflects on how floods and climate change affect her daily life growing up in the Philippines.

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Many of these health problems are not new, but existing challenges and inequalities are caused by climate change.

People and places most at risk are compatible. Especially in low- and middle-income countries, access to health care is already limited and resources to mitigate or adapt to risk are limited.

Cities are particularly vulnerable because multiple hazards such as extreme heat, air pollution and urban flooding combine to magnify damage. Almost half of the world’s population lives in cities, but these health impacts are greatest among economically and socially marginalized populations.

For example, a 2021 report predicts that Delhi is one of the world’s most vulnerable cities to climate change, with communities facing extreme heat waves, torrential rains and urban flooding, while air pollution already causes one in five. Died in 2021. India.

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Cities are one of the biggest drivers of climate change. They can also be part of the solution.

We need to transition from fossil fuel use to clean and renewable energy, stop deforestation and restore our natural habitats. The sooner we act to reduce the effects of climate change, the better off we will be in the future.

Even if we reduce emissions by 2050 and reach our net-zero global goal, many of the effects of global warming are irreversible. This change will also affect our climate in the future. So, to protect population health in the future, we must also adapt to climate change.

How Can Climate Change Affect Human Health

Adaptation movements have increased in recent years, but progress has been flat and slow. Currently, most climate finance is aimed at the primary task of reducing greenhouse gas emissions. More political and financial support is needed to help the world’s population adapt to the worst impacts of climate change.

Climate Change Impacts

Working with the most affected communities supports research and science-based solutions to address these pressing health challenges.

We fund important research into the human health impacts of climate change around the world, at national, regional and global levels.

There are currently no funding opportunities for climate and health. Learn more about the financing we offer. Devastating wildfires in California, Washington state and Oregon, and smog affecting air quality in states thousands of miles away, provide the latest reminder of the effects of climate change on our health and lives.

As we grapple with the immediate and long-term impacts of the current global health pandemic, it can be difficult to consider climate change with the same level of urgency. But if anything, the pandemic has shown us that failure to prepare for a global health crisis can lead to massive deaths and bring the global economy to its knees within months. Climate change has a direct impact on our health and livelihoods and will worsen in the future. Fires in California, Washington state and Oregon provide the latest reminders.

The Impact Of Climate Change On Health And Insurance Premiums

With the building and construction sector accounting for the world’s largest annual emissions, now is the time for interdisciplinary collaboration to address climate change and health impacts.

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