Global warming is a longterm trend, but that does not mean that every year will be warmer than the previous one. In some regions extreme weather events and rainfall are becoming more common while others are experiencing more extreme heat waves and droughts. At present, climate change is one among the global difficulties which the people are facing. Climate change is the longterm change in global weather patterns, associated especially with increases in temperature, precipitation, and storm activity benson, 2008. The intergovernmental panel on climate change ipcc estimates that the global mean surface temperature has increased 0. Increasing risk of irreversible changes due to large scale shift in the climate system such as several sensitive species such as ocean corals, aquatic birds, reptiles such as sea turtles and amphibians are facing extinction, failing of crops cause famine in many east african. These events have been linked to a number of extreme weather events, such as the 1992 flood ing in midwestern states and the severe droughts in southeastern states in 2006 and 2007. Climate change in zimbabwe is predicted to make the country drier and have higher temperatures 1. Climate change causes and effects graphic organizer under causes, write down what you think makes climate change occur. Climate change is more than a warming trend which is why the term global warming is an inaccurate description of the phenomenon. Climatic change letters edited by michael oppenheimer pages 649658.
The response of groundwater level to climate change and. Fao considers climate change a topline corporate priority as reflected in the newlyendorsed strategy on climate change where fao will focus its work on three fronts. Polar ice shields are melting and the sea is rising. Rapid detection of stressed agricultural environments in. One of the major driv ers of climate change is the. Second, to improve integration of food security, agriculture, forestry and fisheries within the. The carbon dioxide theory of climatic change plass.
Global warming has led to shifts of climate zones in many world regions, including. Module 1 understanding climate variability and climate change. A number of other indicators of global warming have also been. States dutybearers have an affirmative obligation to take effective measures to prevent and redress these climate impacts, and therefore, to mitigate climate change, and to ensure that all human beings rightsholders have the necessary. There are always extremes of hot and cold, al though their frequency and intensity change as climate changes. Global warming and climate change refer to an increase in average global temperatures. Climate change and infectious diseases 103 introduction 103 iv climate change. These groups include people of color, lowincome communities, immigrants, and people who are not luent in english. Climate change is expected to influence the work done by actuaries.
Nor can discussion be confined to the obvious dangers of extreme. The objectives of this research is to analyse the climate change and climate variability in the butana area north eastern part of sudan, during the period 19412004 and to study the interaction between land degradation, climatic change and the human activities through the analysis of the vegetative cover and soil degradation. Chapter 20 global climate change world health organization. The question of climatic change is perhaps the most complex and con troversial in the entire science of meteorology. Research on the impact of climate change began in the 1970s and drew attention from the international hydrology community until the 1980s. Historical overview of climate change science ipcc. This will have serious consequences on food production despite technological advances in plant breeding, fertilizers and irrigation systems. The effect of climate change on water resources and. The annual mean warming rate due to urban heat island effect was 27%, and 18%38% for the four seasons.
This is caused primarily by increases in greenhouse gases such as co2, ch4. Causes of climate change united states environmental. The effect of climate change on glacier ablation and baseflow support in the nooksack river basin and implications on pacific salmonid species protection and recovery. The nature of the evidence for climate change is explained, as are the principal mechanisms that have caused climate change throughout the. The potential impact of climate change on temperature related mortality 90 natural disasters 90 trends in weather disasters 91 the health impacts of disasters 92 conclusions 95 references 96 chapter 6. The intergovernmental panel on climate change ipcc released its fourth assessment report in. This article addresses the concept of climatic variation and change within the set of integrated natural features and processes known as the earth system. Climate change affects all regions around the world. Under effects, write what you think happens because of climate change. Weather and climate the structure of the atmosphere surrounding the earth is a gaseous envelope or. Climate change is a direct consequence of the continued increase in the atmospheric co2 mainly resulting from the anthropogenic emissions. What are the choices for preparing for the impacts of climate change. Climate change impacts in the terrestrial realm climate change is expected to have a significant influence on terrestrial biodiversity at all system levels ecosystem, species and genetic diversity. In the questions box, note any questions you have, or things you would like to know about the causes and effects of climate change.
Climate change impacts, directly and indirectly, an array of internationally guaranteed human rights. This book outlines the impact of climate change in four developing country regions. The temperature of atmosphere and oceans have been increased, there is an increase in sea level, a powerful decrease in arctic sea ice and along with all these there are other changes too which are related to climate and its change. Meanwhile, climate change is a threat to livestock production because of the impact on quality of feed crop and forage, water availability, animal and milk production, livestock diseases, animal reproduction, and biodiversity. The question, then, is no longer whether the climate is changing, but how the occurring climate change will affect our existence and what conclusions can be drawn from it. The purpose of this study is to study the probable deviation of temperature and precipitation elements in the northwest of the country from normal. Climate national oceanic and atmospheric administration. In this approach spatial data on climate, soils, topography, and water resources for agriculture were converted into thematic indices to quantify spatial variations in the resource base under baseline 19601990 climatic conditions and climate change projections for 2050. According to our calculations, the differences in the annual mean temperatures did not exceed 0.
The effects of global climate change from greenhouse gas emissions ghgs are. We hope that this publication will support efforts to mainstream climate change. The two canadian surveys of mining managers ford et al. Climate variability and climate change climate variability refers to variations in the prevailing state of the. The effect of climate change on water resources and programs introduction the goal of this module is to educate water program managers, as well as the general public, on the expected effects of climate change on water resources and water programs. The enormity of global warming can be daunting and dispiriting. The climate change agenda has risen substantially in global and national importance and the topic has thus been given a dedicated chapter in this 2. I then explain the threat arising from human induced climate change.
Smallholder and subsistence farmers, pastoralists and fisherfolk in developing countries may not be able to cope with climate change effectively, due to reduced. The impacts and costs of climate change european commission. Climate change is a direct consequence of the continued increase in the atmospheric co2 mainly resulting from the anthropogenic emissions from fossil fuel burning cox et al. In particular, climate change may further enhance the food import dependence of most developing countries. Brief history of international agreements on climate change for the first time in june 1988 at the world conference on the changing atmosphere in toronto, politicians and. These impacts are expected to intensify in the coming decades. For example, the new york metropolitan regions climate is temperate, with rain evenly distributed throughout the year, cold winters, and hot summers. Climate change mitigation and adaptation with local communities and. Plass,2 whereas the term global warming wasnt used until 1975 by author wallace broecker. The purpose of the journal is to provide a means of exchange among those working in different disciplines on problems related to climatic variations. Climate change impacts on ecosystems, agriculture and smallholder farmers in central america. Both humanmade and natural factors contribute to climate change. Climate change is a term that refers to major changes in temperature, rainfall, snow, or wind patterns lasting for decades or longer.
First, to enhance institutional and technical capacities of member states. Are we on the brink of a pronounced global warming. It means that urban heat island effect contributed to 15 of. Africa, asia, latin america and small island developing states. Climate change can be described as the persis tent change in the weather pattern engendered by anthropogenic activities. Pdf on jan 1, 2014, olufemi adedeji and others published global. The driver of climate, you balanced earths annual energy budget by adding or subtracting the processes that cause the average amount of energy. The results of palaeoclimatic reconstruction pointed out that the compared sites were characterized by similar climatic conditions. Global warming, climate change and sustainabilitychallenge to scientists, policymakers and christians john houghton i n this paper, i first list some of the growing threats to the environment and introduce the important concept of sustainability. Impact of climate change and the human activities on land.
In reading this chapter, it needs to be borne in mind. Pdf global warming and climate change, causes, impacts. If manmade dust is unimportant as a major cause of climatic change, then a strong case can be made that the present cooling trend will, within a decade or so, give way to a pronounced warming induced by carbon dioxide. Global warming will accelerate the hydrologic cycle warming to. The purpose of this paper is to provide some background on the science of climate change, its impacts, key ways to minimize the damage and the roles that the actuarial profession can play in dealing. Climate change adaptation in australian mining communities. From supercomputers and stateoftheart models to observations and outlooks, we provide data, tools, and information to help people understand and prepare for climate variability and change. Natural events and human activities are believed to be contributing to an increase in average global temperatures. Global demand for livestock products is expected to double by 2050, mainly due to improvement in the worldwide standard of living. Climate change is an environmental justice issue because certain groups of people in the united states are disproportionately afected by climate change and are less able than others to adapt to or recover from climate change impacts. Estimates indicate that by 2030 more than 100 million people could fall back into extreme poverty due to climate change, while over 200 million people could be displaced due to more frequent and severe climatic disasters.
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