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global warming and the effects on human health
global warming and the effects on human health
global warming and the effects on human health
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According to The Lancet and University College London Institute for Global Health Commission (Lancet): climate change is attributable to several health effects including cardiovascular diseases, diarrhea illnesses, vector-borne illnesses such as malaria, injuries obtained in extreme weather events, and malnutrition (2009). Additionally continual climate change is predicted to contribute to increasing disease rates and premature death (Lancet, 2009). Factors that contribute to such climate change include existing levels of heat, food stress, and exposure to disease vectors (Lancet, 2009).
One of the most obvious effects of rising temperatures is the rise in short-term mortality attributed to respiratory and cardiovascular causes (Lancet, 2009). Illnesses such as these can include heat-related stress, heat stroke, and respiratory illness (Lancet, 2009). As the temperatures increase more heat waves will be present to induce such illnesses (Lancet 2009). The symptoms of these illnesses can include fatigue, irritability, lethargy, impaired judgement, vigilance decrement, loss of dexterity, coordination and concentration which can lead to more severe injuries and accidents (Xiang, Bi, Pisaniello, and Hansen, 2013). The increased heat causes a longer pollen season which in turn increases allergic disorders such as hay fever and asthma (McMichael, Woodruff, and Hales, 2006). Mortality rates from such illnesses are expected to be seen more frequent in the aging population, and those with preexisting cardiovascular and respiratory problems (McMichael et al., 2006). Additionally those who engage in manual labor whether it is indoors or outdoors are also at increased risk for heat-related illnesses and injury (Xiang, et al., 2013). Short t...
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...rsity College London Institute for Global Health Commission. (2009). Managing the health effects of climate change. The Lancet Commissions, 373, 1659-1773.
McMichael, A. J., Woodruff, R. E., & Hales, S. (2006). Climate Change And Human Health: Present And Future Risks. The Lancet, 367(9513), 859-869.
Rosenthal, J. (2009). Climate Change and the Geographic Distribution of Infectious Diseases. EcoHealth, 6(4), 489-495.
St. Louis, M. E., & Hess, J. J. (2008). Climate Change Impacts on the Implications for Global Health. Global Health, 35(5), 527-538.
Tang, J. W. (2009). The effect of environmental parameters on the survival of airborne infectious agents. Journal of The Royal Society Interface, 6(6), S737-S746.
Xiang, J., Bi, P., Pisaniello, D., & Hansen, A. (2013). Health Impacts of Workplace Heat Exposures: An Epidemiological Review. Industrial Health, 52, 91-101.
Climate change is a global problem because this Earth is home to many, and the artificial sources causing climate changes have been caused by many people over the course of many years. The changes can be seen on a day-to-day level through the rise in average surface temperatures (Figure 3A, Figure 3B). Climate change will change landscapes and increase sea levels due to the melting of ice and changes in water runoff; put wildlife at risk of extinction; increase the risk of drought, wildfires, and floods; lead to increased likelihood of storm damage due to stronger storms and storms occurring in previously not at risk regions; and cause a development in more heat related illness (“Climate Change: Threats and Impacts”). The repercussions of climate change will affect every nation, and major changes will have to be made for everything from farming to fashion. With every way of life at risk and every person and nation making contributions, whether extreme or minute, climate change is undoubtedly a global
Climate change is on the international policy agenda primarily because of warnings from scientists. Their forecasts of a potentially dangerous increase in the average global temperature, fortuitously assisted by unusual weather events, have prompted governments to enter into perhaps the most complicated and most significant set of negotiations ever attempted. Key questions - the rapidity of global climate change, its effects on the natural systems on which humans depend, and the options available to lessen or adapt to such change - have energized the scientific and related communities in analyses that are deeply dependent on scientific evidence and research.
Global warming is an issue we are all pretty familiar with. It is the climate change that we, humans, are responsible for. The warming of the earth’s atmosphere is caused by the fossil fuels we burn, clearing of forests, and the carbon dioxide and other harmful gases we release into the air (Cunningham, Cunningham, 2009). There are other harmful toxins we use such as pesticides that are supporting global warming. Some effects of global warming include: increase in weather catastrophes, melting glaciers, rising sea levels, and the impact on species could lead to extinction (Cunningham, Cunningham, 2009). “Many scientists regard anthropogenic global climate change to be the most i...
Doherty, T. J., & Clayton, S. (2011). The psychological impacts of global climate change. American Psychologist, 66(4), 265-276. doi:http://dx.doi.org/10.1037/a0023141
For centuries, well before the basic notions of infectious diseases were understood, humans have realized that climate changes effect epidemic diseases (Patz et al.). The Roman aristocracy retreated to the hills each summer to avoid malaria and the South Asians learned that early in the summer, heavily curried foods were less likely to cause diarrheal diseases (Patz et al.). Patz et al. stated that there have been three distinct transition periods that changed the human to microbe relationship. Those three transition periods are: 1) Early human settlements enabling enzootic infective species to enter the human population, 2) Early Eurasion civilizations swapped dominant infections by military and commercial contact, and lastly, 3) European expansionism over the past five centuries caused the spread of often lethal infectious diseases. They also state that we could be in the fourth transition, with climate change having a wide range of impacts on the occurrence of infectious diseases in human populations.
Zell, R ‘Global climate change and the emergence/re-emergence of infectious diseases’, Journal of Medical Microbiology, vol. 293, 2004, p. 16-26.
The causes of climate change are also known to them that though it is not only the human action playing role but it is the main cause of climate change. The effects of climate change does include harm and loss of environment and organisms but it also has impact on the human health. Semenza (2014) displays an assessment report which states that throughout the 21st century, the rapidly occurring climate change will lead to increase in number of humans with ill health in many regions mainly in those of developing countries where citizens face low income. Semenza (2014) also mentions how there are physiological limits to intense heat exposure and the global climate change will turn some parts of the world which are currently highly populated into uninhabitable even if the global temperature rises by 7 degrees Celsius. Johnson (2014) states how El-Niño-related hydroclimate variability will lead to being intensified under global warming mainly in areas as southern Asia which are already stressed by different droughts, floods, and crop yields. Dettinger, Udall, and Georgakakos (2015) mentions how climate change puts risk and threat on water resources in the western United States to an extent that no other part of the country matches it. Dettinger, Udall, and Georgakakos (2015) also states how recent research and studies strictly point a limited number
Peng, R. D., Bobb, J. F., Tebaldi, C., McDaniel, L., Bell, M. L., & Dominici, F. (2011). Toward a Quantitative Estimate of Future Heat Wave Mortality under Global Climate Change. Environmental Health Perspectives, 119(5), 701-706. doi:10.1289/ehp.1002430
Research has shown that these effects could potentially give rise to another dire threat to humanity – an increase in infectious disease transmission. It is widely known that environmental conditions have a direct effect on the activity of infectious diseases. Many pathogens and vectors thrive in warm, moist, unsanitary surroundings and therefore reproduce and spread with ease in areas like the tropics and impoverished countries. With the environment rapidly changing, cooler regions that were formerly uninhabitable to some pathogens may soon become warm enough to support them. Other problems stemming from climate change, including decreases in biodiversity, species richness, and habitat loss may contribute to the spread of infectious diseases as
Berry mentions in his article that we need to be aware of our environment and keep it as healthy as possible (Elliott 671). While many of us recognize the general importance of environmental health, such as maintaining crops, having clean air to breathe and water to drink, we greatly underestimate its importance in individual health and its effects on medical practices. With global warming and climate change, we will be, if we are not already, be facing challenges such as decreased soil fertility, access to freshwater, crop yields, and the spread and mutation of infectious diseases (Elliott 690-695). Many ecosystems are heavily influenced by temperature, and climate change can and will drastically change many ecosystems. In the case of crop yields, the change in ecosystems could negatively influence pollinating animals such as bees and hummingbirds, and result in crops not being as well pollinated, and crop yields decreasing. When crop yields drop, we face issues like widespread hunger and famine. In the same vein, infectious diseases are often limited to certain regions because they can only survive in certain conditions. Climate change will change climatic conditions in ways that may facilitate the spread of infectious diseases into new areas, and they may become much more prominent issues than they used to be. Our economies, social stability, and health are all at stake when we damage our environment. Green energy is important now more than ever, and the medical community has done little to convert to sustainable resources for sustainable treatment and health care. As Bednarz describes in “Medicine After Oil,” medical practices rely heavily on petroleum products such as gloves, various plastic products (including heart valves), antibiotics, various gels and
Climate change will have significant impact and serious consequences to population health. Temperatures are predicted to rise 1.8 to 5.8 C over the next century impacting our health if interventions are not instigated (Shuman, 2010). Drought and heavy rainfall events will increase with climate change. In 1996, wildfires in Colorado contaminated drinking water due to excessive sediment and ask contaminating the surface water supply. In 1999, Lake Mead drought reduced water usage for Nevada, Utah and Arizona (CDC, 2012). USGRP (2016) cites vibrio (Cholera) cases
How Climate Change Effects Human Health requires a strategy of international dimensions that can translate into regional and local actions.
Climate change has become of the world’s major issue today. The earth’s climate is always changing in a very fast and also in different ways. Climate changes affect our lives psychologically, emotional and also physically. Climate change is defined as a long term change in the earth’s climate, especially a change due to the increase in the average atmospheric temperatures. Due to this change in temperature, a lot of changes has occurred in our environment, these changes include rising sea levels, flooding, melting of polar ice caps, hotter days, colder nights and heat waves. These climate changes plays an important role in shaping our natural ecosystem, our human economics and also the most important, it affects the human race. For
Peoples' lives are connected to the climate. A warming climate will bring changes that can affect our water supplies, agriculture, power and transportation systems, the natural environment, and even our own health and safety. The effect of climate change is undeniable. Although it's difficult to predict the exact impacts of climate change, scientist agrees that these changes are caused by the greenhouse effect. The destruction of
The Centers for Disease Control have been involved in studying global warming's effect on human health. Its affect on the climate can adversely affect humans. Plagues have been attributed to global warming. An increase in temperature can result in a longer life cycle for diseases or the agents spreading them.” Global warming will lead to more precipitation, which enables infectious diseases to be more easily contracted and spread.” (2) Effects of global warming on human health might not be immediately detected.