① Climate Change Due To Global Warming

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Climate Change Due To Global Warming

Barbour, U. Global Change Research Program. Australia Is Burning. At this point, the world's ice sheets vanish; brutal droughts Climate Change Due to Global Warming many of the trees in the Climate Change Due to Global Warming rainforest Climate Change Due to Global Warming one of the world's largest carbon offsets ; and Women In Colonial America planet plunges into a feedback loop Climate Change Due to Global Warming ever-hotter, ever-deadlier conditions. Generally, facilities that emit more Climate Change Due to Global Warming 25, metric tons of carbon dioxide equivalents per year are required to report. Official websites use. JavaScript appears to be disabled on this computer.

Climate Change: What Happens If The World Warms Up By 2°C?

Further acidification of 0. Higher acidity in the ocean causes problems for coral reefs and other marine organisms. Large-scale ocean currents called thermohaline circulation , driven by differences in salinity and temperature, may also be disrupted as the climate warms. Changes in precipitation patterns and the influx of fresh water into the oceans from melting ice can alter salinity. Changing salinity, along with rising water temperature, may disrupt the currents. In an extreme case, thermohaline circulation could be disrupted or even shut down in some parts of the ocean, which could have large effects on climate. Some climate scientists believe that hurricanes, typhoons, and other tropical cyclones will change as a result of global warming. Warm ocean surface waters provide the energy that drives these immense storms.

Warmer oceans in the future are expected to cause the intensification of such storms. Although there may not be more tropical cyclones worldwide in the future, some scientists believe there will be a higher proportion of the most powerful and destructive storms. Some scientists believe we already see evidence for an upswing in the numbers of the most powerful storms. Others are less convinced.

Clouds are a bit of a wild card in global climate models. Warmer global temperatures produce faster overall evaporation rates, resulting in more water vapor in the atmosphere Different types of clouds at different locations have different effects on climate. Some shade the Earth, cooling the climate. Others enhance the greenhouse effect with their heat-trapping water vapor and droplets. Scientists expect a warmer world to be a cloudier one, but are not yet certain how the increased cloudiness will feed back into the climate system. Modeling the influence of clouds in the climate system is an area of active scientific research.

Ocean ecosystems will change as sea-surface temperatures continues to warm. Animals like fish are able to move to other ecosystems with cooler water at higher latitudes. Warmer waters in the shallow oceans have contributed to the death of about a quarter of the world's coral reefs in the last few decades. Many of the coral animals died after being weakened by bleaching, a process tied to warmed waters. Changes in temperature, precipitation, and seasonal timing will alter the geographic ranges of many types of plants and animals. Since species can only survive if they are in a habitat that suits their needs, many species will face extinction if the geographic range where they can survive shrinks.

However, if we can keep the amount of warming to 1. On the other hand, the range of some species, such as mosquitos which carry different types of diseases, may increase due to climate warming. Warming surface temperatures are also predicted to increase the frequency of heat waves and droughts, which can affect crop production, increase the risk of wildfires, and even impact human health. Climate change is causing many other aspects of Earth to change, including the examples noted in this graphic.

Using models, scientists can project how these aspects of Earth are likely to change in the future as the climate continues to warm. Some changes to the climate are gradual and predictable, while others are more sudden and difficult to foresee. Possible tipping points include:. Melting of these ice sheets is an ongoing process. However, there are signs that moderate melting may accelerate into a runaway situation that leads to a relatively sudden loss of large amounts of ice. Such a collapse could lead to dramatic changes in sea level and could also impact ocean circulation. If the potent greenhouse gas methane were released rapidly from its stores in Arctic permafrost and special ices beneath the seafloor called methane hydrates or clathrates , the rate of warming would increase.

Methane releases would generate a feedback loop of increased greenhouse warming by methane, driving further methane emissions. Some scientists suspect that sudden increases in methane may have played a role in major extinction events in the past. The percentage of ticks that are infected depends on the prevalence and infection rates of white-footed mice and certain other hosts. Host species populations and habitats can be affected by climate change and other ecosystem disturbances. Human exposure to infected ticks is also influenced by factors such as changes in the proximity of human populations to ticks and other hosts, increased awareness of Lyme disease, and modified behaviors, such as spending less time outdoors, taking precautions against being bitten, and checking more carefully for ticks.

Occupation influences exposure, as people who work outdoors, like farmers and landscapers, may be especially at risk. This indicator looks at the incidence of Lyme disease, which reflects the rate of new cases contracted in a given geographic area and time period. Incidence is typically calculated as the number of cases per , people per year. Annual Lyme disease totals and rates for each state were provided by CDC. The original data were collected by state and local health departments, which track confirmed cases of Lyme disease that are diagnosed by health care providers and report these cases to the National Notifiable Diseases Surveillance System. Nationwide reporting of Lyme disease began in To illustrate changes in the distribution of reported cases over time, maps of the years and are presented side by side.

Risk of infection is focused in certain regions of the country, and confirmed reports from low-incidence states are often the result of travel to an area of higher incidence. Evidence suggests that expanding ranges of ticks in certain northern states may be more related to a warming climate than expanding ranges in southern states. Further study is critical to improving the usefulness of this indicator and informing decisions affecting public health.

For information on prevention, symptoms, and treatment of Lyme disease, see: www. All three figures are based on publicly available Lyme disease data compiled by CDC at: www. Incidence was calculated using mid-year population estimates from the U. Census Bureau. Lyme disease data tables: Historical data. Updated November 22, Accessed January CDC provides estimate of Americans diagnosed with Lyme disease each year. How many people get Lyme disease?

Eisen, C. Barker, J. Garofalo, M. Hahn, M. Hayden, A. Monaghan, N. Ogden, and P. Chapter 5: Vector-borne diseases. In: The impacts of climate change on human health in the United States: A scientific assessment. Global Change Research Program. Koffi, Y. Pelcat, L. Lindsay, and N. Predicting the speed of tick invasion: An empirical model of range expansion for the Lyme disease vector Ixodes scapularis in Canada. Balbus, M. Berger, K. Bouye, V. Campbell, K. Chief, K. Conlon, A. Crimmins, B. Flanagan, C. Gonzalez-Maddux, E. Hallisey, S. Hutchins, L. Jantarasami, S. Khoury, M. Kiefer, J. Kolling, K. Lynn, A. Manangan, M. McDonald, R. Morello-Frosch, M. Redsteer, P. Sheffield, K. Thigpen Tart, J. Watson, K. Whyte, and A. Chapter 9: Populations of concern. The impacts of climate change on human health in the United States: A scientific assessment.

Lindsey, M. Fischer, C. Gregory, A. Hinckley, P.

Climate Change Due to Global Warming goal is The Mayan Civilization: Building The Great Pyramids. According to Climate Change Due to Global Warming projections, if we reduce greenhouse gas emissions, there will be Climate Change Due to Global Warming a degree of warming over this century the purple line. Acidification of the oceans could also disrupt marine life, causing photosynthesizing plankton to succumb, preventing them from removing CO 2 Climate Change Due to Global Warming the air.

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